change to new expect syntax for rspec

57 files changed, 724 insertions, 720 deletions

diff --git a/spec/bundler/definition_spec.rb b/spec/bundler/definition_spec.rb
index 21db5eb54e..034a571314 100644
--- a/spec/bundler/definition_spec.rb
+++ b/spec/bundler/definition_spec.rb
@@ -22,4 +22,4 @@ describe Bundler::Definition do
     end
   end
 
-end
\ No newline at end of file
+end
diff --git a/spec/bundler/dsl_spec.rb b/spec/bundler/dsl_spec.rb
index f112243f4a..334fe6001c 100644
--- a/spec/bundler/dsl_spec.rb
+++ b/spec/bundler/dsl_spec.rb
@@ -10,19 +10,19 @@ describe Bundler::Dsl do
     it "should convert :github to :git" do
       subject.gem("sparks", :github => "indirect/sparks")
       github_uri = "git://github.com/indirect/sparks.git"
-      subject.dependencies.first.source.uri.should == github_uri
+      expect(subject.dependencies.first.source.uri).to eq(github_uri)
     end
 
     it "should convert 'rails' to 'rails/rails'" do
       subject.gem("rails", :github => "rails")
       github_uri = "git://github.com/rails/rails.git"
-      subject.dependencies.first.source.uri.should == github_uri
+      expect(subject.dependencies.first.source.uri).to eq(github_uri)
     end
 
     it "should interpret slashless 'github:' value as account name" do
       subject.gem("bundler", :github => "carlhuda")
       github_uri = "git://github.com/carlhuda/bundler.git"
-      subject.dependencies.first.source.uri.should == github_uri
+      expect(subject.dependencies.first.source.uri).to eq(github_uri)
     end
 
   end
@@ -32,24 +32,24 @@ describe Bundler::Dsl do
       Bundler.should_receive(:read_file).with("Gemfile").and_return("unknown")
       error_msg = "Undefined local variable or method `unknown'" \
         " for Gemfile\\s+from Gemfile:1"
-      lambda{ subject.eval_gemfile("Gemfile") }.
-        should raise_error(Bundler::GemfileError, Regexp.new(error_msg))
+      expect { subject.eval_gemfile("Gemfile") }.
+        to raise_error(Bundler::GemfileError, Regexp.new(error_msg))
     end
   end
 
   describe "#eval_gemfile" do
     it "handles syntax errors with a useful message" do
       Bundler.should_receive(:read_file).with("Gemfile").and_return("}")
-      lambda{ subject.eval_gemfile("Gemfile") }.
-        should raise_error(Bundler::GemfileError, /Gemfile syntax error/)
+      expect { subject.eval_gemfile("Gemfile") }.
+        to raise_error(Bundler::GemfileError, /Gemfile syntax error/)
     end
   end
 
   describe "syntax errors" do
     it "should raise a Bundler::GemfileError" do
       gemfile "gem 'foo', :path => /unquoted/string/syntax/error"
-      lambda { Bundler::Dsl.evaluate(bundled_app("Gemfile"), nil, true) }.
-        should raise_error(Bundler::GemfileError)
+      expect { Bundler::Dsl.evaluate(bundled_app("Gemfile"), nil, true) }.
+        to raise_error(Bundler::GemfileError)
     end
   end
 end
diff --git a/spec/bundler/gem_helper_spec.rb b/spec/bundler/gem_helper_spec.rb
index 426760401e..1d6eb5aec9 100644
--- a/spec/bundler/gem_helper_spec.rb
+++ b/spec/bundler/gem_helper_spec.rb
@@ -8,7 +8,7 @@ describe "Bundler::GemHelper tasks" do
       bundle 'gem test'
       app = bundled_app("test")
       helper = Bundler::GemHelper.new(app.to_s)
-      helper.gemspec.name.should == 'test'
+      expect(helper.gemspec.name).to eq('test')
     end
 
     it "interpolates the name for a hidden gemspec" do
@@ -16,28 +16,28 @@ describe "Bundler::GemHelper tasks" do
       app = bundled_app("test")
       FileUtils.mv app.join('test.gemspec'), app.join('.gemspec')
       helper = Bundler::GemHelper.new(app.to_s)
-      helper.gemspec.name.should == 'test'
+      expect(helper.gemspec.name).to eq('test')
     end
 
     it "should fail when there is no gemspec" do
       bundle 'gem test'
       app = bundled_app("test")
       FileUtils.rm(File.join(app.to_s, 'test.gemspec'))
-      proc { Bundler::GemHelper.new(app.to_s) }.should raise_error(/Unable to determine name/)
+      expect { Bundler::GemHelper.new(app.to_s) }.to raise_error(/Unable to determine name/)
     end
 
     it "should fail when there are two gemspecs and the name isn't specified" do
       bundle 'gem test'
       app = bundled_app("test")
       File.open(File.join(app.to_s, 'test2.gemspec'), 'w') {|f| f << ''}
-      proc { Bundler::GemHelper.new(app.to_s) }.should raise_error(/Unable to determine name/)
+      expect { Bundler::GemHelper.new(app.to_s) }.to raise_error(/Unable to determine name/)
     end
 
     it "handles namespaces and converting to CamelCase" do
       bundle 'gem test-foo_bar'
       lib = bundled_app('test-foo_bar').join('lib/test-foo_bar.rb').read
-      lib.should include("module Test")
-      lib.should include("module FooBar")
+      expect(lib).to include("module Test")
+      expect(lib).to include("module FooBar")
     end
   end
 
@@ -59,7 +59,7 @@ describe "Bundler::GemHelper tasks" do
     end
 
     it "uses a shell UI for output" do
-      Bundler.ui.should be_a(Bundler::UI::Shell)
+      expect(Bundler.ui).to be_a(Bundler::UI::Shell)
     end
 
     describe 'install_tasks' do
@@ -75,20 +75,20 @@ describe "Bundler::GemHelper tasks" do
         names = %w[build install release]
 
         names.each { |name|
-          proc { Rake.application[name] }.should raise_error(/Don't know how to build task/)
+          expect { Rake.application[name] }.to raise_error(/Don't know how to build task/)
         }
 
         @helper.install
 
         names.each { |name|
-          proc { Rake.application[name] }.should_not raise_error
-          Rake.application[name].should be_instance_of Rake::Task
+          expect { Rake.application[name] }.not_to raise_error
+          expect(Rake.application[name]).to be_instance_of Rake::Task
         }
       end
 
       it "provides a way to access the gemspec object" do
         @helper.install
-        Bundler::GemHelper.gemspec.name.should == 'test'
+        expect(Bundler::GemHelper.gemspec.name).to eq('test')
       end
     end
 
@@ -96,13 +96,13 @@ describe "Bundler::GemHelper tasks" do
       it "builds" do
         mock_build_message
         @helper.build_gem
-        bundled_app('test/pkg/test-0.0.1.gem').should exist
+        expect(bundled_app('test/pkg/test-0.0.1.gem')).to exist
       end
 
       it "raises an appropriate error when the build fails" do
         # break the gemspec by adding back the TODOs...
         File.open("#{@app.to_s}/test.gemspec", 'w'){|f| f << @gemspec }
-        proc { @helper.build_gem }.should raise_error(/TODO/)
+        expect { @helper.build_gem }.to raise_error(/TODO/)
       end
     end
 
@@ -111,8 +111,8 @@ describe "Bundler::GemHelper tasks" do
         mock_build_message
         mock_confirm_message "test (0.0.1) installed"
         @helper.install_gem
-        bundled_app('test/pkg/test-0.0.1.gem').should exist
-        %x{gem list}.should include("test (0.0.1)")
+        expect(bundled_app('test/pkg/test-0.0.1.gem')).to exist
+        expect(%x{gem list}).to include("test (0.0.1)")
       end
 
       it "raises an appropriate error when the install fails" do
@@ -123,13 +123,13 @@ describe "Bundler::GemHelper tasks" do
           File.open(path, 'w'){|f| f << "not actually a gem"}
           path
         end
-        proc { @helper.install_gem }.should raise_error
+        expect { @helper.install_gem }.to raise_error
       end
     end
 
     describe 'release' do
       it "shouldn't push if there are uncommitted files" do
-        proc { @helper.release_gem }.should raise_error(/files that need to be committed/)
+        expect { @helper.release_gem }.to raise_error(/files that need to be committed/)
       end
 
       it 'raises an appropriate error if there is no git remote' do
@@ -145,7 +145,7 @@ describe "Bundler::GemHelper tasks" do
           `git commit -a -m "initial commit"`
         }
 
-        proc { @helper.release_gem }.should raise_error
+        expect { @helper.release_gem }.to raise_error
       end
 
       it "releases" do
diff --git a/spec/bundler/source_spec.rb b/spec/bundler/source_spec.rb
index 41440f1075..c51d4b9925 100644
--- a/spec/bundler/source_spec.rb
+++ b/spec/bundler/source_spec.rb
@@ -7,18 +7,18 @@ describe Bundler::Source::Rubygems do
 
   describe "caches" do
     it "should include Bundler.app_cache" do
-      subject.caches.should include(Bundler.app_cache)
+      expect(subject.caches).to include(Bundler.app_cache)
     end
 
     it "should include GEM_PATH entries" do
       Gem.path.each do |path|
-        subject.caches.should include(File.expand_path("#{path}/cache"))
+        expect(subject.caches).to include(File.expand_path("#{path}/cache"))
       end
     end
 
     it "should be an array of strings or pathnames" do
       subject.caches.each do |cache|
-        [String, Pathname].should include(cache.class)
+        expect([String, Pathname]).to include(cache.class)
       end
     end
   end
diff --git a/spec/cache/gems_spec.rb b/spec/cache/gems_spec.rb
index 5270cd2411..8f4170146d 100644
--- a/spec/cache/gems_spec.rb
+++ b/spec/cache/gems_spec.rb
@@ -13,7 +13,7 @@ describe "bundle cache" do
     end
 
     it "copies the .gem file to vendor/cache" do
-      bundled_app("vendor/cache/rack-1.0.0.gem").should exist
+      expect(bundled_app("vendor/cache/rack-1.0.0.gem")).to exist
     end
 
     it "uses the cache as a source when installing gems" do
@@ -70,7 +70,7 @@ describe "bundle cache" do
 
       bundle "cache"
 
-      bundled_app("Gemfile.lock").should exist
+      expect(bundled_app("Gemfile.lock")).to exist
     end
   end
 
@@ -102,7 +102,7 @@ describe "bundle cache" do
 
       bundle :cache
 
-      bundled_app("Gemfile.lock").should exist
+      expect(bundled_app("Gemfile.lock")).to exist
     end
   end
 
@@ -115,23 +115,23 @@ describe "bundle cache" do
         gem "actionpack"
       G
       bundle :cache
-      cached_gem("rack-1.0.0").should exist
-      cached_gem("actionpack-2.3.2").should exist
-      cached_gem("activesupport-2.3.2").should exist
+      expect(cached_gem("rack-1.0.0")).to exist
+      expect(cached_gem("actionpack-2.3.2")).to exist
+      expect(cached_gem("activesupport-2.3.2")).to exist
     end
 
     it "re-caches during install" do
       cached_gem("rack-1.0.0").rmtree
       bundle :install
-      out.should include("Updating files in vendor/cache")
-      cached_gem("rack-1.0.0").should exist
+      expect(out).to include("Updating files in vendor/cache")
+      expect(cached_gem("rack-1.0.0")).to exist
     end
 
     it "adds and removes when gems are updated" do
       update_repo2
       bundle 'update'
-      cached_gem("rack-1.2").should exist
-      cached_gem("rack-1.0.0").should_not exist
+      expect(cached_gem("rack-1.2")).to exist
+      expect(cached_gem("rack-1.0.0")).not_to exist
     end
 
     it "adds new gems and dependencies" do
@@ -139,8 +139,8 @@ describe "bundle cache" do
         source "file://#{gem_repo2}"
         gem "rails"
       G
-      cached_gem("rails-2.3.2").should exist
-      cached_gem("activerecord-2.3.2").should exist
+      expect(cached_gem("rails-2.3.2")).to exist
+      expect(cached_gem("activerecord-2.3.2")).to exist
     end
 
     it "removes .gems for removed gems and dependencies" do
@@ -148,9 +148,9 @@ describe "bundle cache" do
         source "file://#{gem_repo2}"
         gem "rack"
       G
-      cached_gem("rack-1.0.0").should exist
-      cached_gem("actionpack-2.3.2").should_not exist
-      cached_gem("activesupport-2.3.2").should_not exist
+      expect(cached_gem("rack-1.0.0")).to exist
+      expect(cached_gem("actionpack-2.3.2")).not_to exist
+      expect(cached_gem("activesupport-2.3.2")).not_to exist
     end
 
     it "removes .gems when gem changes to git source" do
@@ -161,9 +161,9 @@ describe "bundle cache" do
         gem "rack", :git => "#{lib_path("rack-1.0")}"
         gem "actionpack"
       G
-      cached_gem("rack-1.0.0").should_not exist
-      cached_gem("actionpack-2.3.2").should exist
-      cached_gem("activesupport-2.3.2").should exist
+      expect(cached_gem("rack-1.0.0")).not_to exist
+      expect(cached_gem("actionpack-2.3.2")).to exist
+      expect(cached_gem("activesupport-2.3.2")).to exist
     end
 
 
@@ -175,7 +175,7 @@ describe "bundle cache" do
         G
 
         bundle :cache
-        cached_gem("platform_specific-1.0-java").should exist
+        expect(cached_gem("platform_specific-1.0-java")).to exist
       end
 
       simulate_new_machine
@@ -184,8 +184,8 @@ describe "bundle cache" do
         gem "platform_specific"
       G
 
-      cached_gem("platform_specific-1.0-#{Gem::Platform.local}").should exist
-      cached_gem("platform_specific-1.0-java").should exist
+      expect(cached_gem("platform_specific-1.0-#{Gem::Platform.local}")).to exist
+      expect(cached_gem("platform_specific-1.0-java")).to exist
     end
 
     it "doesn't remove gems with mismatched :rubygems_version or :date" do
@@ -196,7 +196,7 @@ describe "bundle cache" do
       simulate_new_machine
 
       bundle :install
-      cached_gem("rack-1.0.0").should exist
+      expect(cached_gem("rack-1.0.0")).to exist
     end
 
     it "handles directories and non .gem files in the cache" do
@@ -212,7 +212,7 @@ describe "bundle cache" do
       G
       bundle "cache"
       bundle "install"
-      out.should_not =~ /removing/i
+      expect(out).not_to match(/removing/i)
     end
 
     it "does not warn about all if it doesn't have any git/path dependency" do
@@ -221,7 +221,7 @@ describe "bundle cache" do
         gem "rack"
       G
       bundle "cache"
-      out.should_not =~ /\-\-all/
+      expect(out).not_to match(/\-\-all/)
     end
 
     it "should install gems with the name bundler in them (that aren't bundler)" do
diff --git a/spec/cache/git_spec.rb b/spec/cache/git_spec.rb
index 480f847f22..b8aff44739 100644
--- a/spec/cache/git_spec.rb
+++ b/spec/cache/git_spec.rb
@@ -3,12 +3,12 @@ require "spec_helper"
 describe "git base name" do
   it "base_name should strip private repo uris" do
     source  = Bundler::Source::Git.new("uri" => "git@github.com:bundler.git")
-    source.send(:base_name).should == "bundler"
+    expect(source.send(:base_name)).to eq("bundler")
   end
 
   it "base_name should strip network share paths" do
     source = Bundler::Source::Git.new("uri" => "//MachineName/ShareFolder")
-    source.send(:base_name).should == "ShareFolder"
+    expect(source.send(:base_name)).to eq("ShareFolder")
   end
 end
 
@@ -23,9 +23,9 @@ end
       G
 
       bundle "#{cmd} --all"
-      bundled_app("vendor/cache/foo-1.0-#{ref}").should exist
-      bundled_app("vendor/cache/foo-1.0-#{ref}/.git").should_not exist
-      bundled_app("vendor/cache/foo-1.0-#{ref}/.bundlecache").should be_file
+      expect(bundled_app("vendor/cache/foo-1.0-#{ref}")).to exist
+      expect(bundled_app("vendor/cache/foo-1.0-#{ref}/.git")).not_to exist
+      expect(bundled_app("vendor/cache/foo-1.0-#{ref}/.bundlecache")).to be_file
 
       FileUtils.rm_rf lib_path("foo-1.0")
       should_be_installed "foo 1.0"
@@ -42,8 +42,8 @@ end
       bundle "install --path vendor/bundle"
       bundle "#{cmd} --all"
 
-      bundled_app("vendor/cache/foo-1.0-#{ref}").should exist
-      bundled_app("vendor/cache/foo-1.0-#{ref}/.git").should_not exist
+      expect(bundled_app("vendor/cache/foo-1.0-#{ref}")).to exist
+      expect(bundled_app("vendor/cache/foo-1.0-#{ref}/.git")).not_to exist
 
       FileUtils.rm_rf lib_path("foo-1.0")
       should_be_installed "foo 1.0"
@@ -59,7 +59,7 @@ end
       bundle "#{cmd} --all"
       bundle "#{cmd} --all"
 
-      err.should == ""
+      expect(err).to eq("")
       FileUtils.rm_rf lib_path("foo-1.0")
       should_be_installed "foo 1.0"
     end
@@ -79,17 +79,17 @@ end
       end
 
       ref = git.ref_for("master", 11)
-      ref.should_not == old_ref
+      expect(ref).not_to eq(old_ref)
 
       bundle "update"
       bundle "#{cmd} --all"
 
-      bundled_app("vendor/cache/foo-1.0-#{ref}").should exist
-      bundled_app("vendor/cache/foo-1.0-#{old_ref}").should_not exist
+      expect(bundled_app("vendor/cache/foo-1.0-#{ref}")).to exist
+      expect(bundled_app("vendor/cache/foo-1.0-#{old_ref}")).not_to exist
 
       FileUtils.rm_rf lib_path("foo-1.0")
       run "require 'foo'"
-      out.should == "CACHE"
+      expect(out).to eq("CACHE")
     end
 
     it "uses the local repository to generate the cache" do
@@ -104,7 +104,7 @@ end
       bundle "install"
       bundle "#{cmd} --all"
 
-      bundled_app("vendor/cache/foo-invalid-#{ref}").should exist
+      expect(bundled_app("vendor/cache/foo-invalid-#{ref}")).to exist
 
       # Updating the local still uses the local.
       update_git "foo" do |s|
@@ -112,7 +112,7 @@ end
       end
 
       run "require 'foo'"
-      out.should == "LOCAL"
+      expect(out).to eq("LOCAL")
     end
 
     it "copies repository to vendor cache, including submodules" do
@@ -136,8 +136,8 @@ end
       ref = git.ref_for("master", 11)
       bundle "#{cmd} --all"
 
-      bundled_app("vendor/cache/has_submodule-1.0-#{ref}").should exist
-      bundled_app("vendor/cache/has_submodule-1.0-#{ref}/submodule-1.0").should exist
+      expect(bundled_app("vendor/cache/has_submodule-1.0-#{ref}")).to exist
+      expect(bundled_app("vendor/cache/has_submodule-1.0-#{ref}/submodule-1.0")).to exist
       should_be_installed "has_submodule 1.0"
     end
 
@@ -150,7 +150,7 @@ end
 
       bundle "#{cmd}"
 
-      out.should include("Your Gemfile contains path and git dependencies.")
+      expect(out).to include("Your Gemfile contains path and git dependencies.")
     end
 
     it "does not display warning message if cache_all is set in bundle config" do
@@ -163,7 +163,7 @@ end
       bundle "#{cmd} --all"
       bundle "#{cmd}"
 
-      out.should_not include("Your Gemfile contains path and git dependencies.")
+      expect(out).not_to include("Your Gemfile contains path and git dependencies.")
     end
   end
 end
diff --git a/spec/cache/path_spec.rb b/spec/cache/path_spec.rb
index 94c451819a..324e1f131e 100644
--- a/spec/cache/path_spec.rb
+++ b/spec/cache/path_spec.rb
@@ -10,7 +10,7 @@ require "spec_helper"
       G
 
       bundle "#{cmd} --all"
-      bundled_app("vendor/cache/foo-1.0").should_not exist
+      expect(bundled_app("vendor/cache/foo-1.0")).not_to exist
       should_be_installed "foo 1.0"
     end
 
@@ -22,8 +22,8 @@ require "spec_helper"
       G
 
       bundle "#{cmd} --all"
-      bundled_app("vendor/cache/foo-1.0").should exist
-      bundled_app("vendor/cache/foo-1.0/.bundlecache").should be_file
+      expect(bundled_app("vendor/cache/foo-1.0")).to exist
+      expect(bundled_app("vendor/cache/foo-1.0/.bundlecache")).to be_file
 
       FileUtils.rm_rf lib_path("foo-1.0")
       should_be_installed "foo 1.0"
@@ -44,11 +44,11 @@ require "spec_helper"
 
       bundle "#{cmd} --all"
 
-      bundled_app("vendor/cache/foo-1.0").should exist
+      expect(bundled_app("vendor/cache/foo-1.0")).to exist
       FileUtils.rm_rf lib_path("foo-1.0")
 
       run "require 'foo'"
-      out.should == "CACHE"
+      expect(out).to eq("CACHE")
     end
 
     it "removes stale entries cache" do
@@ -65,7 +65,7 @@ require "spec_helper"
       G
 
       bundle "#{cmd} --all"
-      bundled_app("vendor/cache/bar-1.0").should_not exist
+      expect(bundled_app("vendor/cache/bar-1.0")).not_to exist
     end
 
     it "raises a warning without --all" do
@@ -76,8 +76,8 @@ require "spec_helper"
       G
 
       bundle cmd
-      out.should =~ /please pass the \-\-all flag/
-      bundled_app("vendor/cache/foo-1.0").should_not exist
+      expect(out).to match(/please pass the \-\-all flag/)
+      expect(bundled_app("vendor/cache/foo-1.0")).not_to exist
     end
 
     it "stores the given flag" do
@@ -96,7 +96,7 @@ require "spec_helper"
       G
 
       bundle cmd
-      bundled_app("vendor/cache/bar-1.0").should exist
+      expect(bundled_app("vendor/cache/bar-1.0")).to exist
     end
 
     it "can rewind chosen configuration" do
@@ -115,7 +115,7 @@ require "spec_helper"
       G
 
       bundle "#{cmd} --no-all"
-      bundled_app("vendor/cache/baz-1.0").should_not exist
+      expect(bundled_app("vendor/cache/baz-1.0")).not_to exist
     end
   end
-end
\ No newline at end of file
+end
diff --git a/spec/cache/platform_spec.rb b/spec/cache/platform_spec.rb
index 7e136640af..901f3db188 100644
--- a/spec/cache/platform_spec.rb
+++ b/spec/cache/platform_spec.rb
@@ -42,16 +42,16 @@ describe "bundle cache with multiple platforms" do
   it "ensures that bundle install does not delete gems for other platforms" do
     bundle "install"
 
-    bundled_app("vendor/cache/rack-1.0.0.gem").should exist
-    bundled_app("vendor/cache/activesupport-2.3.5.gem").should exist
-    bundled_app("vendor/cache/activerecord-2.3.2.gem").should exist
+    expect(bundled_app("vendor/cache/rack-1.0.0.gem")).to exist
+    expect(bundled_app("vendor/cache/activesupport-2.3.5.gem")).to exist
+    expect(bundled_app("vendor/cache/activerecord-2.3.2.gem")).to exist
   end
 
   it "ensures that bundle update does not delete gems for other platforms" do
     bundle "update"
 
-    bundled_app("vendor/cache/rack-1.0.0.gem").should exist
-    bundled_app("vendor/cache/activesupport-2.3.5.gem").should exist
-    bundled_app("vendor/cache/activerecord-2.3.2.gem").should exist
+    expect(bundled_app("vendor/cache/rack-1.0.0.gem")).to exist
+    expect(bundled_app("vendor/cache/activesupport-2.3.5.gem")).to exist
+    expect(bundled_app("vendor/cache/activerecord-2.3.2.gem")).to exist
   end
 end
diff --git a/spec/install/deploy_spec.rb b/spec/install/deploy_spec.rb
index eb98f5ad25..698d552ff8 100644
--- a/spec/install/deploy_spec.rb
+++ b/spec/install/deploy_spec.rb
@@ -10,18 +10,18 @@ describe "install with --deployment or --frozen" do
 
   it "fails without a lockfile and says that --deployment requires a lock" do
     bundle "install --deployment"
-    out.should include("The --deployment flag requires a Gemfile.lock")
+    expect(out).to include("The --deployment flag requires a Gemfile.lock")
   end
 
   it "fails without a lockfile and says that --frozen requires a lock" do
     bundle "install --frozen"
-    out.should include("The --frozen flag requires a Gemfile.lock")
+    expect(out).to include("The --frozen flag requires a Gemfile.lock")
   end
 
   it "works after you try to deploy without a lock" do
     bundle "install --deployment"
     bundle :install, :exitstatus => true
-    exitstatus.should eq(0)
+    expect(exitstatus).to eq(0)
     should_be_installed "rack 1.0"
   end
 
@@ -43,14 +43,14 @@ describe "install with --deployment or --frozen" do
     G
     bundle :install
     bundle "install --deployment --without test", :exitstatus => true
-    exitstatus.should == 0
+    expect(exitstatus).to eq(0)
   end
 
   it "works when you bundle exec bundle" do
     bundle :install
     bundle "install --deployment"
     bundle "exec bundle check", :exitstatus => true
-    exitstatus.should == 0
+    expect(exitstatus).to eq(0)
   end
 
   it "works when using path gems from the same path and the version is specified" do
@@ -64,7 +64,7 @@ describe "install with --deployment or --frozen" do
     bundle :install
     bundle "install --deployment", :exitstatus => true
 
-    exitstatus.should == 0
+    expect(exitstatus).to eq(0)
   end
 
   describe "with an existing lockfile" do
@@ -74,12 +74,12 @@ describe "install with --deployment or --frozen" do
 
     it "works with the --deployment flag if you didn't change anything" do
       bundle "install --deployment", :exitstatus => true
-      exitstatus.should == 0
+      expect(exitstatus).to eq(0)
     end
 
     it "works with the --frozen flag if you didn't change anything" do
       bundle "install --frozen", :exitstatus => true
-      exitstatus.should == 0
+      expect(exitstatus).to eq(0)
     end
 
     it "explodes with the --deployment flag if you make a change and don't check in the lockfile" do
@@ -90,11 +90,11 @@ describe "install with --deployment or --frozen" do
       G
 
       bundle "install --deployment"
-      out.should include("deployment mode")
-      out.should include("You have added to the Gemfile")
-      out.should include("* rack-obama")
-      out.should_not include("You have deleted from the Gemfile")
-      out.should_not include("You have changed in the Gemfile")
+      expect(out).to include("deployment mode")
+      expect(out).to include("You have added to the Gemfile")
+      expect(out).to include("* rack-obama")
+      expect(out).not_to include("You have deleted from the Gemfile")
+      expect(out).not_to include("You have changed in the Gemfile")
     end
 
     it "can have --frozen set via an environment variable" do
@@ -106,11 +106,11 @@ describe "install with --deployment or --frozen" do
 
       ENV['BUNDLE_FROZEN'] = '1'
       bundle "install"
-      out.should include("deployment mode")
-      out.should include("You have added to the Gemfile")
-      out.should include("* rack-obama")
-      out.should_not include("You have deleted from the Gemfile")
-      out.should_not include("You have changed in the Gemfile")
+      expect(out).to include("deployment mode")
+      expect(out).to include("You have added to the Gemfile")
+      expect(out).to include("* rack-obama")
+      expect(out).not_to include("You have deleted from the Gemfile")
+      expect(out).not_to include("You have changed in the Gemfile")
     end
 
     it "explodes with the --frozen flag if you make a change and don't check in the lockfile" do
@@ -121,11 +121,11 @@ describe "install with --deployment or --frozen" do
       G
 
       bundle "install --frozen"
-      out.should include("deployment mode")
-      out.should include("You have added to the Gemfile")
-      out.should include("* rack-obama")
-      out.should_not include("You have deleted from the Gemfile")
-      out.should_not include("You have changed in the Gemfile")
+      expect(out).to include("deployment mode")
+      expect(out).to include("You have added to the Gemfile")
+      expect(out).to include("* rack-obama")
+      expect(out).not_to include("You have deleted from the Gemfile")
+      expect(out).not_to include("You have changed in the Gemfile")
     end
 
     it "explodes if you remove a gem and don't check in the lockfile" do
@@ -135,10 +135,10 @@ describe "install with --deployment or --frozen" do
       G
 
       bundle "install --deployment"
-      out.should include("deployment mode")
-      out.should include("You have added to the Gemfile:\n* activesupport\n\n")
-      out.should include("You have deleted from the Gemfile:\n* rack")
-      out.should_not include("You have changed in the Gemfile")
+      expect(out).to include("deployment mode")
+      expect(out).to include("You have added to the Gemfile:\n* activesupport\n\n")
+      expect(out).to include("You have deleted from the Gemfile:\n* rack")
+      expect(out).not_to include("You have changed in the Gemfile")
     end
 
     it "explodes if you add a source" do
@@ -148,9 +148,9 @@ describe "install with --deployment or --frozen" do
       G
 
       bundle "install --deployment"
-      out.should include("deployment mode")
-      out.should include("You have added to the Gemfile:\n* source: git://hubz.com (at master)")
-      out.should_not include("You have changed in the Gemfile")
+      expect(out).to include("deployment mode")
+      expect(out).to include("You have added to the Gemfile:\n* source: git://hubz.com (at master)")
+      expect(out).not_to include("You have changed in the Gemfile")
     end
 
     it "explodes if you unpin a source" do
@@ -167,10 +167,10 @@ describe "install with --deployment or --frozen" do
       G
 
       bundle "install --deployment"
-      out.should include("deployment mode")
-      out.should include("You have deleted from the Gemfile:\n* source: #{lib_path("rack-1.0")} (at master)")
-      out.should_not include("You have added to the Gemfile")
-      out.should_not include("You have changed in the Gemfile")
+      expect(out).to include("deployment mode")
+      expect(out).to include("You have deleted from the Gemfile:\n* source: #{lib_path("rack-1.0")} (at master)")
+      expect(out).not_to include("You have added to the Gemfile")
+      expect(out).not_to include("You have changed in the Gemfile")
     end
 
     it "explodes if you unpin a source, leaving it pinned somewhere else" do
@@ -190,10 +190,10 @@ describe "install with --deployment or --frozen" do
       G
 
       bundle "install --deployment"
-      out.should include("deployment mode")
-      out.should include("You have changed in the Gemfile:\n* rack from `no specified source` to `#{lib_path("rack")} (at master)`")
-      out.should_not include("You have added to the Gemfile")
-      out.should_not include("You have deleted from the Gemfile")
+      expect(out).to include("deployment mode")
+      expect(out).to include("You have changed in the Gemfile:\n* rack from `no specified source` to `#{lib_path("rack")} (at master)`")
+      expect(out).not_to include("You have added to the Gemfile")
+      expect(out).not_to include("You have deleted from the Gemfile")
     end
 
     it "remembers that the bundle is frozen at runtime" do
diff --git a/spec/install/gems/c_ext_spec.rb b/spec/install/gems/c_ext_spec.rb
index bc3e24520a..6f9fe22b70 100644
--- a/spec/install/gems/c_ext_spec.rb
+++ b/spec/install/gems/c_ext_spec.rb
@@ -40,9 +40,9 @@ describe "installing a gem with C extensions" do
     bundle "config build.c_extension --with-c_extension=hello"
     bundle "install"
 
-    out.should_not include("extconf.rb failed")
+    expect(out).not_to include("extconf.rb failed")
 
     run "Bundler.require; puts CExtension.new.its_true"
-    out.should == "true"
+    expect(out).to eq("true")
   end
 end
diff --git a/spec/install/gems/dependency_api_spec.rb b/spec/install/gems/dependency_api_spec.rb
index 1a94917f45..5880be03b7 100644
--- a/spec/install/gems/dependency_api_spec.rb
+++ b/spec/install/gems/dependency_api_spec.rb
@@ -10,7 +10,7 @@ describe "gemcutter's dependency API" do
     G
 
     bundle :install, :artifice => "endpoint"
-    out.should include("Fetching gem metadata from #{source_uri}")
+    expect(out).to include("Fetching gem metadata from #{source_uri}")
     should_be_installed "rack 1.0.0"
   end
 
@@ -21,7 +21,7 @@ describe "gemcutter's dependency API" do
     G
 
     bundle :install, :artifice => "endpoint"
-    out.should include("Could not find gem ' sinatra")
+    expect(out).to include("Could not find gem ' sinatra")
   end
 
   it "should handle nested dependencies" do
@@ -31,7 +31,7 @@ describe "gemcutter's dependency API" do
     G
 
     bundle :install, :artifice => "endpoint"
-    out.should include("Fetching gem metadata from #{source_uri}/...")
+    expect(out).to include("Fetching gem metadata from #{source_uri}/...")
     should_be_installed(
       "rails 2.3.2",
       "actionpack 2.3.2",
@@ -59,7 +59,7 @@ describe "gemcutter's dependency API" do
     bundle :install, :artifice => "endpoint"
 
     bundle "install --deployment", :artifice => "endpoint"
-    out.should include("Fetching gem metadata from #{source_uri}")
+    expect(out).to include("Fetching gem metadata from #{source_uri}")
     should_be_installed "rack 1.0.0"
   end
 
@@ -108,7 +108,7 @@ describe "gemcutter's dependency API" do
     G
 
     bundle :install, :fakeweb => "windows"
-    out.should include("\nFetching full source index from #{source_uri}")
+    expect(out).to include("\nFetching full source index from #{source_uri}")
     should_be_installed "rcov 1.0.0"
   end
 
@@ -124,7 +124,7 @@ describe "gemcutter's dependency API" do
       gem "rails"
     G
     bundle :install, :artifice => "endpoint_fallback"
-    out.should include("\nFetching full source index from #{source_uri}")
+    expect(out).to include("\nFetching full source index from #{source_uri}")
 
     should_be_installed(
       "activesupport 2.3.2",
@@ -144,7 +144,7 @@ describe "gemcutter's dependency API" do
     G
 
     bundle :install, :artifice => "endpoint_marshal_fail"
-    out.should include("\nFetching full source index from #{source_uri}")
+    expect(out).to include("\nFetching full source index from #{source_uri}")
     should_be_installed "rack 1.0.0"
   end
 
@@ -155,7 +155,7 @@ describe "gemcutter's dependency API" do
     G
 
     bundle :install, :artifice => "endpoint_redirect"
-    out.should match(/Too many redirects/)
+    expect(out).to match(/Too many redirects/)
   end
 
   context "when --full-index is specified" do
@@ -166,7 +166,7 @@ describe "gemcutter's dependency API" do
       G
 
       bundle "install --full-index", :artifice => "endpoint"
-      out.should include("Fetching source index from #{source_uri}")
+      expect(out).to include("Fetching source index from #{source_uri}")
       should_be_installed "rack 1.0.0"
     end
 
@@ -177,7 +177,7 @@ describe "gemcutter's dependency API" do
       G
 
       bundle "update --full-index", :artifice => "endpoint"
-      out.should include("Fetching source index from #{source_uri}")
+      expect(out).to include("Fetching source index from #{source_uri}")
       should_be_installed "rack 1.0.0"
     end
   end
@@ -220,7 +220,7 @@ describe "gemcutter's dependency API" do
 Fetching gem metadata from http://localgemserver.test/..
 Fetching gem metadata from http://localgemserver.test/extra/.
 OUTPUT
-    out.should include(output)
+    expect(out).to include(output)
   end
 
   it "does not fetch every specs if the index of gems is large when doing back deps" do
@@ -286,7 +286,7 @@ OUTPUT
     G
 
     bundle :install, :artifice => "endpoint"
-    out.should include("Fetching gem metadata from #{source_uri}")
+    expect(out).to include("Fetching gem metadata from #{source_uri}")
   end
 
   it "should install when EndpointSpecification with a bin dir owned by root", :sudo => true do
@@ -310,7 +310,7 @@ OUTPUT
     bundle "install --binstubs", :artifice => "endpoint"
 
     gembin "rackup"
-    out.should == "1.0.0"
+    expect(out).to eq("1.0.0")
   end
 
   it "installs the bins when using --path and uses autoclean" do
@@ -321,7 +321,7 @@ OUTPUT
 
     bundle "install --path vendor/bundle", :artifice => "endpoint"
 
-    vendored_gems("bin/rackup").should exist
+    expect(vendored_gems("bin/rackup")).to exist
   end
 
   it "installs the bins when using --path and uses bundle clean" do
@@ -332,7 +332,7 @@ OUTPUT
 
     bundle "install --path vendor/bundle --no-clean", :artifice => "endpoint"
 
-    vendored_gems("bin/rackup").should exist
+    expect(vendored_gems("bin/rackup")).to exist
   end
 
   it "prints post_install_messages" do
@@ -342,7 +342,7 @@ OUTPUT
     G
 
     bundle :install, :artifice => "endpoint"
-    out.should include("Post-install message from rack:")
+    expect(out).to include("Post-install message from rack:")
   end
 
   it "should display the post install message for a dependency" do
@@ -352,8 +352,8 @@ OUTPUT
     G
 
     bundle :install, :artifice => "endpoint"
-    out.should include("Post-install message from rack:")
-    out.should include("Rack's post install message")
+    expect(out).to include("Post-install message from rack:")
+    expect(out).to include("Rack's post install message")
   end
 
   context "when using basic authentication" do
@@ -374,7 +374,7 @@ OUTPUT
       G
 
       bundle :install, :artifice => "endpoint_basic_authentication"
-      out.should_not include("#{user}:#{password}")
+      expect(out).not_to include("#{user}:#{password}")
       should_be_installed "rack 1.0.0"
     end
 
@@ -385,7 +385,7 @@ OUTPUT
       G
 
       bundle :install, :artifice => "endopint_marshal_fail_basic_authentication"
-      out.should_not include("#{user}:#{password}")
+      expect(out).not_to include("#{user}:#{password}")
       should_be_installed "rack 1.0.0"
     end
 
@@ -396,7 +396,7 @@ OUTPUT
       G
 
       bundle :install, :artifice => "endpoint_500"
-      out.should_not include("#{user}:#{password}")
+      expect(out).not_to include("#{user}:#{password}")
     end
   end
 
@@ -429,7 +429,7 @@ OUTPUT
 
       bundle :install, :artifice => "endpoint",
         :env => {"RUBYOPT" => "-I#{bundled_app("broken_ssl")}"}
-      out.should include("Could not load OpenSSL.")
+      expect(out).to include("Could not load OpenSSL.")
     end
   end
 
diff --git a/spec/install/gems/env_spec.rb b/spec/install/gems/env_spec.rb
index 285c23b0fb..235a1ced32 100644
--- a/spec/install/gems/env_spec.rb
+++ b/spec/install/gems/env_spec.rb
@@ -104,4 +104,4 @@ describe "bundle install with ENV conditionals" do
       should_be_installed "rack 1.0"
     end
   end
-end
\ No newline at end of file
+end
diff --git a/spec/install/gems/flex_spec.rb b/spec/install/gems/flex_spec.rb
index ac7f3ec33c..0da7784ed4 100644
--- a/spec/install/gems/flex_spec.rb
+++ b/spec/install/gems/flex_spec.rb
@@ -188,7 +188,7 @@ describe "bundle flex_install" do
       ruby <<-RUBY, :expect_err => true
         require 'bundler/setup'
       RUBY
-      err.should =~ /could not find gem 'rack-obama/i
+      expect(err).to match(/could not find gem 'rack-obama/i)
     end
 
     it "suggests bundle update when the Gemfile requires different versions than the lock" do
@@ -207,7 +207,7 @@ describe "bundle flex_install" do
       E
 
       bundle :install
-      out.should == nice_error
+      expect(out).to eq(nice_error)
     end
   end
 
@@ -227,13 +227,13 @@ describe "bundle flex_install" do
     end
 
     it "does something" do
-      lambda {
+      expect {
         bundle "install"
-      }.should_not change { File.read(bundled_app('Gemfile.lock')) }
+      }.not_to change { File.read(bundled_app('Gemfile.lock')) }
 
-      out.should include('rack = 0.9.1')
-      out.should include('locked at 1.0.0')
-      out.should include('bundle update rack')
+      expect(out).to include('rack = 0.9.1')
+      expect(out).to include('locked at 1.0.0')
+      expect(out).to include('bundle update rack')
     end
 
     it "should work when you update" do
diff --git a/spec/install/gems/groups_spec.rb b/spec/install/gems/groups_spec.rb
index 47123599fe..9f1c1574b5 100644
--- a/spec/install/gems/groups_spec.rb
+++ b/spec/install/gems/groups_spec.rb
@@ -26,7 +26,7 @@ describe "bundle install with gem sources" do
           puts ACTIVESUPPORT
         R
 
-        err.should == "ZOMG LOAD ERROR"
+        expect(err).to eq("ZOMG LOAD ERROR")
       end
 
       it "installs gems with inline :groups into those groups" do
@@ -37,18 +37,18 @@ describe "bundle install with gem sources" do
           puts THIN
         R
 
-        err.should == "ZOMG LOAD ERROR"
+        expect(err).to eq("ZOMG LOAD ERROR")
       end
 
       it "sets up everything if Bundler.setup is used with no groups" do
         out = run("require 'rack'; puts RACK")
-        out.should eq('1.0.0')
+        expect(out).to eq('1.0.0')
 
         out = run("require 'activesupport'; puts ACTIVESUPPORT")
-        out.should eq('2.3.5')
+        expect(out).to eq('2.3.5')
 
         out = run("require 'thin'; puts THIN")
-        out.should eq('1.0')
+        expect(out).to eq('1.0')
       end
 
       it "removes old groups when new groups are set up" do
@@ -58,7 +58,7 @@ describe "bundle install with gem sources" do
           puts THIN
         RUBY
 
-        err.should == "ZOMG LOAD ERROR"
+        expect(err).to eq("ZOMG LOAD ERROR")
       end
 
       it "sets up old groups when they have previously been removed" do
@@ -67,7 +67,7 @@ describe "bundle install with gem sources" do
           Bundler.setup(:default, :emo)
           require 'thin'; puts THIN
         RUBY
-        out.should == '1.0'
+        expect(out).to eq('1.0')
       end
     end
 
@@ -102,13 +102,13 @@ describe "bundle install with gem sources" do
 
         it "does not say it installed gems from the excluded group" do
           bundle :install, :without => "emo"
-          out.should_not include("activesupport")
+          expect(out).not_to include("activesupport")
         end
 
         it "allows Bundler.setup for specific groups" do
           bundle :install, :without => "emo"
           run("require 'rack'; puts RACK", :default)
-          out.should == '1.0.0'
+          expect(out).to eq('1.0.0')
         end
 
         it "does not effect the resolve" do
@@ -138,7 +138,7 @@ describe "bundle install with gem sources" do
           ENV["BUNDLE_WITHOUT"] = "emo"
 
           bundle :install
-          out.should_not include("activesupport")
+          expect(out).not_to include("activesupport")
 
           should_be_installed "rack 1.0.0", :groups => [:default]
           should_not_be_installed "activesupport 2.3.5", :groups => [:default]
diff --git a/spec/install/gems/packed_spec.rb b/spec/install/gems/packed_spec.rb
index 592221226f..cce3b4ab26 100644
--- a/spec/install/gems/packed_spec.rb
+++ b/spec/install/gems/packed_spec.rb
@@ -44,7 +44,7 @@ describe "bundle install with gem sources" do
       end
 
       bundle :install
-      err.should be_empty
+      expect(err).to be_empty
       should_be_installed "rack 1.0"
     end
 
@@ -65,7 +65,7 @@ describe "bundle install with gem sources" do
           gem "platform_specific"
         G
         run "require 'platform_specific' ; puts PLATFORM_SPECIFIC"
-        out.should == "1.0.0 RUBY"
+        expect(out).to eq("1.0.0 RUBY")
       end
     end
 
@@ -75,10 +75,10 @@ describe "bundle install with gem sources" do
         gem "rack"
       G
       bundled_app("vendor/cache").mkpath
-      bundled_app("vendor/cache").children.should be_empty
+      expect(bundled_app("vendor/cache").children).to be_empty
 
       bundle "install --no-cache"
-      bundled_app("vendor/cache").children.should be_empty
+      expect(bundled_app("vendor/cache").children).to be_empty
     end
   end
 end
diff --git a/spec/install/gems/platform_spec.rb b/spec/install/gems/platform_spec.rb
index b604bc1d7f..281ebf500d 100644
--- a/spec/install/gems/platform_spec.rb
+++ b/spec/install/gems/platform_spec.rb
@@ -96,7 +96,7 @@ describe "bundle install across platforms" do
 
     bundle "install --path vendor/bundle"
 
-    vendored_gems("gems/rack-1.0.0").should exist
+    expect(vendored_gems("gems/rack-1.0.0")).to exist
   end
 
   it "works after switching Rubies" do
@@ -112,7 +112,7 @@ describe "bundle install across platforms" do
     FileUtils.mv(vendored_gems, bundled_app("vendor/bundle/#{Gem.ruby_engine}/#{new_version}"))
 
     bundle "install --path ./vendor/bundle"
-    vendored_gems("gems/rack-1.0.0").should exist
+    expect(vendored_gems("gems/rack-1.0.0")).to exist
   end
 end
 
@@ -186,7 +186,7 @@ describe "bundle install with platform conditionals" do
     G
 
     bundle :show, :exitstatus => true
-    exitstatus.should == 0
+    expect(exitstatus).to eq(0)
   end
 
 end
diff --git a/spec/install/gems/post_install_spec.rb b/spec/install/gems/post_install_spec.rb
index 7a4d56cb59..f7cad665e1 100644
--- a/spec/install/gems/post_install_spec.rb
+++ b/spec/install/gems/post_install_spec.rb
@@ -11,12 +11,12 @@ describe 'bundle install with gem sources' do
       G
 
       bundle :install
-      out.should include("Post-install message from rack:")
-      out.should include("Rack's post install message")
-      out.should include("Post-install message from thin:")
-      out.should include("Thin's post install message")
-      out.should include("Post-install message from rack-obama:")
-      out.should include("Rack-obama's post install message")
+      expect(out).to include("Post-install message from rack:")
+      expect(out).to include("Rack's post install message")
+      expect(out).to include("Post-install message from thin:")
+      expect(out).to include("Thin's post install message")
+      expect(out).to include("Post-install message from rack-obama:")
+      expect(out).to include("Rack-obama's post install message")
     end
   end
 
@@ -28,7 +28,7 @@ describe 'bundle install with gem sources' do
       G
 
       bundle :install
-      out.should_not include("Post-install message")
+      expect(out).not_to include("Post-install message")
     end
   end
 
@@ -40,8 +40,8 @@ describe 'bundle install with gem sources' do
       G
 
       bundle :install
-      out.should include("Post-install message from rack:")
-      out.should include("Rack's post install message")
+      expect(out).to include("Post-install message from rack:")
+      expect(out).to include("Rack's post install message")
     end
   end
 end
diff --git a/spec/install/gems/resolving_spec.rb b/spec/install/gems/resolving_spec.rb
index 67b9b2f928..b66d50b6a1 100644
--- a/spec/install/gems/resolving_spec.rb
+++ b/spec/install/gems/resolving_spec.rb
@@ -16,7 +16,7 @@ describe "bundle install with gem sources" do
         puts IMPLICIT_RAKE_DEP
         puts ANOTHER_IMPLICIT_RAKE_DEP
       R
-      out.should == "YES\nYES"
+      expect(out).to eq("YES\nYES")
     end
 
     it "installs gems with a dependency with no type" do
@@ -69,4 +69,4 @@ describe "bundle install with gem sources" do
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/spec/install/gems/simple_case_spec.rb b/spec/install/gems/simple_case_spec.rb
index 1c932f1738..0208231f5e 100644
--- a/spec/install/gems/simple_case_spec.rb
+++ b/spec/install/gems/simple_case_spec.rb
@@ -8,7 +8,7 @@ describe "bundle install with gem sources" do
       G
 
       bundle :install
-      out.should =~ /no dependencies/
+      expect(out).to match(/no dependencies/)
     end
 
     it "does not make a lockfile if the install fails" do
@@ -16,8 +16,8 @@ describe "bundle install with gem sources" do
         raise StandardError, "FAIL"
       G
 
-      err.should =~ /FAIL \(StandardError\)/
-      bundled_app("Gemfile.lock").should_not exist
+      expect(err).to match(/FAIL \(StandardError\)/)
+      expect(bundled_app("Gemfile.lock")).not_to exist
     end
 
     it "creates a Gemfile.lock" do
@@ -26,7 +26,7 @@ describe "bundle install with gem sources" do
         gem "rack"
       G
 
-      bundled_app('Gemfile.lock').should exist
+      expect(bundled_app('Gemfile.lock')).to exist
     end
 
     it "creates lock files based on the Gemfile name" do
@@ -37,7 +37,7 @@ describe "bundle install with gem sources" do
 
       bundle 'install --gemfile OmgFile'
 
-      bundled_app("OmgFile.lock").should exist
+      expect(bundled_app("OmgFile.lock")).to exist
     end
 
     it "doesn't delete the lockfile if one already exists" do
@@ -52,7 +52,7 @@ describe "bundle install with gem sources" do
         raise StandardError, "FAIL"
       G
 
-      File.read(bundled_app("Gemfile.lock")).should == lockfile
+      expect(File.read(bundled_app("Gemfile.lock"))).to eq(lockfile)
     end
 
     it "does not touch the lockfile if nothing changed" do
@@ -61,7 +61,7 @@ describe "bundle install with gem sources" do
         gem "rack"
       G
 
-      lambda { run '1' }.should_not change { File.mtime(bundled_app('Gemfile.lock')) }
+      expect { run '1' }.not_to change { File.mtime(bundled_app('Gemfile.lock')) }
     end
 
     it "fetches gems" do
@@ -70,7 +70,7 @@ describe "bundle install with gem sources" do
         gem 'rack'
       G
 
-      default_bundle_path("gems/rack-1.0.0").should exist
+      expect(default_bundle_path("gems/rack-1.0.0")).to exist
       should_be_installed("rack 1.0.0")
     end
 
@@ -80,7 +80,7 @@ describe "bundle install with gem sources" do
         gem 'rack', "> 0.9", "< 1.0"
       G
 
-      default_bundle_path("gems/rack-0.9.1").should exist
+      expect(default_bundle_path("gems/rack-0.9.1")).to exist
       should_be_installed("rack 0.9.1")
     end
 
@@ -90,7 +90,7 @@ describe "bundle install with gem sources" do
         gem 'rack', "< 1.0", "> 0.9"
       G
 
-      default_bundle_path("gems/rack-0.9.1").should exist
+      expect(default_bundle_path("gems/rack-0.9.1")).to exist
       should_be_installed("rack 0.9.1")
     end
 
@@ -99,7 +99,7 @@ describe "bundle install with gem sources" do
         source "file://#{gem_repo1}"
         gem :rack
       G
-      status.should == 4
+      expect(status).to eq(4)
     end
 
     it "pulls in dependencies" do
@@ -204,7 +204,7 @@ describe "bundle install with gem sources" do
         G
 
         run "require 'platform_specific' ; puts PLATFORM_SPECIFIC"
-        out.should == "1.0.0 #{Gem::Platform.local}"
+        expect(out).to eq("1.0.0 #{Gem::Platform.local}")
       end
 
       it "falls back on plain ruby" do
@@ -215,7 +215,7 @@ describe "bundle install with gem sources" do
         G
 
         run "require 'platform_specific' ; puts PLATFORM_SPECIFIC"
-        out.should == "1.0.0 RUBY"
+        expect(out).to eq("1.0.0 RUBY")
       end
 
       it "installs gems for java" do
@@ -226,7 +226,7 @@ describe "bundle install with gem sources" do
         G
 
         run "require 'platform_specific' ; puts PLATFORM_SPECIFIC"
-        out.should == "1.0.0 JAVA"
+        expect(out).to eq("1.0.0 JAVA")
       end
 
       it "installs gems for windows" do
@@ -238,7 +238,7 @@ describe "bundle install with gem sources" do
         G
 
         run "require 'platform_specific' ; puts PLATFORM_SPECIFIC"
-        out.should == "1.0.0 MSWIN"
+        expect(out).to eq("1.0.0 MSWIN")
       end
     end
 
@@ -291,14 +291,14 @@ describe "bundle install with gem sources" do
       G
 
       bundle :install, :expect_err => true
-      out.should =~ /Your Gemfile has no remote sources/i
+      expect(out).to match(/Your Gemfile has no remote sources/i)
     end
 
     it "creates a Gemfile.lock on a blank Gemfile" do
       install_gemfile <<-G
       G
 
-      File.exists?(bundled_app("Gemfile.lock")).should be_true
+      expect(File.exists?(bundled_app("Gemfile.lock"))).to be_true
     end
 
     it "gracefully handles error when rubygems server is unavailable" do
@@ -310,8 +310,8 @@ describe "bundle install with gem sources" do
       G
 
       bundle :install
-      out.should include("Could not reach http://localhost:9384/")
-      out.should_not include("file://")
+      expect(out).to include("Could not reach http://localhost:9384/")
+      expect(out).not_to include("file://")
     end
 
     it "doesn't blow up when the local .bundle/config is empty" do
@@ -323,7 +323,7 @@ describe "bundle install with gem sources" do
 
         gem 'foo'
       G
-      exitstatus.should == 0
+      expect(exitstatus).to eq(0)
     end
 
     it "doesn't blow up when the global .bundle/config is empty" do
@@ -335,7 +335,7 @@ describe "bundle install with gem sources" do
 
         gem 'foo'
       G
-      exitstatus.should == 0
+      expect(exitstatus).to eq(0)
     end
   end
 
@@ -358,7 +358,7 @@ describe "bundle install with gem sources" do
 
       bundle :install, :exitstatus => true
 
-      exitstatus.should == 0
+      expect(exitstatus).to eq(0)
     end
   end
 
@@ -425,8 +425,8 @@ describe "bundle install with gem sources" do
         set_bundle_path(type, bundled_app("vendor2").to_s)
         bundle "install --path vendor/bundle"
 
-        vendored_gems("gems/rack-1.0.0").should be_directory
-        bundled_app("vendor2").should_not be_directory
+        expect(vendored_gems("gems/rack-1.0.0")).to be_directory
+        expect(bundled_app("vendor2")).not_to be_directory
         should_be_installed "rack 1.0.0"
       end
 
@@ -435,7 +435,7 @@ describe "bundle install with gem sources" do
 
         bundle :install
 
-        bundled_app('vendor/gems/rack-1.0.0').should be_directory
+        expect(bundled_app('vendor/gems/rack-1.0.0')).to be_directory
         should_be_installed "rack 1.0.0"
       end
 
@@ -447,7 +447,7 @@ describe "bundle install with gem sources" do
           bundle :install
         end
 
-        bundled_app('vendor/gems/rack-1.0.0').should be_directory
+        expect(bundled_app('vendor/gems/rack-1.0.0')).to be_directory
         should_be_installed "rack 1.0.0"
       end
     end
@@ -457,14 +457,14 @@ describe "bundle install with gem sources" do
 
       bundle :install
 
-      vendored_gems('gems/rack-1.0.0').should be_directory
+      expect(vendored_gems('gems/rack-1.0.0')).to be_directory
       should_be_installed "rack 1.0.0"
     end
 
     it "sets BUNDLE_PATH as the first argument to bundle install" do
       bundle "install --path ./vendor/bundle"
 
-      vendored_gems('gems/rack-1.0.0').should be_directory
+      expect(vendored_gems('gems/rack-1.0.0')).to be_directory
       should_be_installed "rack 1.0.0"
     end
 
@@ -473,7 +473,7 @@ describe "bundle install with gem sources" do
       build_gem "rack", "1.1.0", :to_system => true
       bundle "install --path ./vendor/bundle"
 
-      vendored_gems('gems/rack-1.0.0').should be_directory
+      expect(vendored_gems('gems/rack-1.0.0')).to be_directory
       should_be_installed "rack 1.0.0"
     end
   end
@@ -500,7 +500,7 @@ describe "bundle install with gem sources" do
       G
 
       bundle :install, :quiet => true
-      out.should == ""
+      expect(out).to eq("")
     end
 
     it "should still display warnings" do
@@ -509,7 +509,7 @@ describe "bundle install with gem sources" do
       G
 
       bundle :install, :quiet => true
-      out.should =~ /Your Gemfile has no remote sources/
+      expect(out).to match(/Your Gemfile has no remote sources/)
     end
   end
 
@@ -528,9 +528,9 @@ describe "bundle install with gem sources" do
     it "behaves like bundle install vendor/bundle with --deployment" do
       bundle "install"
       bundle "install --deployment"
-      out.should include("It was installed into ./vendor/bundle")
+      expect(out).to include("It was installed into ./vendor/bundle")
       should_be_installed "rack 1.0.0"
-      bundled_app("vendor/bundle").should exist
+      expect(bundled_app("vendor/bundle")).to exist
     end
 
     it "does not use available system gems with bundle --path vendor/bundle" do
@@ -544,7 +544,7 @@ describe "bundle install with gem sources" do
 
       Dir.chdir(dir) do
         bundle "install --path vendor/bundle"
-        out.should include("installed into ./vendor/bundle")
+        expect(out).to include("installed into ./vendor/bundle")
       end
 
       dir.rmtree
@@ -552,12 +552,12 @@ describe "bundle install with gem sources" do
 
     it "prints a warning to let the user know what has happened with bundle --path vendor/bundle" do
       bundle "install --path vendor/bundle"
-      out.should include("It was installed into ./vendor")
+      expect(out).to include("It was installed into ./vendor")
     end
 
     it "disallows --path vendor/bundle --system" do
       bundle "install --path vendor/bundle --system"
-      out.should include("Please choose.")
+      expect(out).to include("Please choose.")
     end
 
     it "remembers to disable system gems after the first time with bundle --path vendor/bundle" do
@@ -565,7 +565,7 @@ describe "bundle install with gem sources" do
       FileUtils.rm_rf bundled_app('vendor')
       bundle "install"
 
-      vendored_gems('gems/rack-1.0.0').should be_directory
+      expect(vendored_gems('gems/rack-1.0.0')).to be_directory
       should_be_installed "rack 1.0.0"
     end
   end
@@ -590,8 +590,8 @@ describe "bundle install with gem sources" do
         end
       R
 
-      out.should include("1.0")
-      out.should include("no activesupport")
+      expect(out).to include("1.0")
+      expect(out).to include("no activesupport")
     end
   end
 
@@ -608,7 +608,7 @@ describe "bundle install with gem sources" do
         gem "yaml_spec"
       G
       bundle :install
-      err.should be_empty
+      expect(err).to be_empty
     end
 
     it "still installs correctly when using path" do
@@ -617,7 +617,7 @@ describe "bundle install with gem sources" do
       install_gemfile <<-G
         gem 'yaml_spec', :path => "#{lib_path('yaml_spec-1.0')}"
       G
-      err.should == ""
+      expect(err).to eq("")
     end
   end
 
@@ -665,7 +665,7 @@ describe "bundle install with gem sources" do
           Current Bundler version:
             bundler (#{Bundler::VERSION})
         E
-      out.should include(nice_error)
+      expect(out).to include(nice_error)
     end
 
     it "works for gems with multiple versions in its dependencies" do
@@ -693,7 +693,7 @@ describe "bundle install with gem sources" do
       G
 
       run "begin; gem 'bundler'; puts 'WIN'; rescue Gem::LoadError; puts 'FAIL'; end"
-      out.should == "WIN"
+      expect(out).to eq("WIN")
     end
 
     it "allows gem 'bundler' when Bundler is not in the Gemfile or its dependencies" do
@@ -703,7 +703,7 @@ describe "bundle install with gem sources" do
       G
 
       run "begin; gem 'bundler'; puts 'WIN'; rescue Gem::LoadError => e; puts e.backtrace; end"
-      out.should == "WIN"
+      expect(out).to eq("WIN")
     end
 
     it "causes a conflict if child dependencies conflict" do
@@ -723,7 +723,7 @@ describe "bundle install with gem sources" do
             rails_fail (>= 0) ruby depends on
               activesupport (1.2.3)
       E
-      out.should == nice_error
+      expect(out).to eq(nice_error)
     end
 
     it "causes a conflict if a child dependency conflicts with the Gemfile" do
@@ -742,7 +742,7 @@ describe "bundle install with gem sources" do
 
             activesupport (2.3.5)
       E
-      out.should == nice_error
+      expect(out).to eq(nice_error)
     end
 
     it "can install dependencies even if " do
@@ -755,7 +755,7 @@ describe "bundle install with gem sources" do
       #simulate_new_machine
 
       bundle "check"
-      out.should == "The Gemfile's dependencies are satisfied"
+      expect(out).to eq("The Gemfile's dependencies are satisfied")
     end
   end
 
@@ -788,7 +788,7 @@ describe "bundle install with gem sources" do
     it "does not hit the remote a second time" do
       FileUtils.rm_rf gem_repo2
       bundle "install --without rack"
-      err.should be_empty
+      expect(err).to be_empty
     end
   end
 
@@ -796,7 +796,7 @@ describe "bundle install with gem sources" do
     # On OS X, Gem.bindir defaults to /usr/bin, so system_bindir is useful if
     # you want to avoid sudo installs for system gems with OS X's default ruby
     it "overrides Gem.bindir" do
-      Pathname.new("/usr/bin").should_not be_writable unless Process::euid == 0
+      expect(Pathname.new("/usr/bin")).not_to be_writable unless Process::euid == 0
       gemfile <<-G
         require 'rubygems'
         def Gem.bindir; "/usr/bin"; end
@@ -807,7 +807,7 @@ describe "bundle install with gem sources" do
       config "BUNDLE_SYSTEM_BINDIR" => system_gem_path('altbin').to_s
       bundle :install
       should_be_installed "rack 1.0.0"
-      system_gem_path("altbin/rackup").should exist
+      expect(system_gem_path("altbin/rackup")).to exist
     end
   end
 
diff --git a/spec/install/gems/standalone_spec.rb b/spec/install/gems/standalone_spec.rb
index 9e3ad402f9..c666120ad4 100644
--- a/spec/install/gems/standalone_spec.rb
+++ b/spec/install/gems/standalone_spec.rb
@@ -14,7 +14,7 @@ describe "bundle install --standalone" do
     end
 
     it "generates a bundle/bundler/setup.rb" do
-      bundled_app("bundle/bundler/setup.rb").should exist
+      expect(bundled_app("bundle/bundler/setup.rb")).to exist
     end
 
     it "makes the gems available without bundler" do
@@ -26,7 +26,7 @@ describe "bundle install --standalone" do
         puts ACTIONPACK
       RUBY
 
-      out.should be == "2.3.2"
+      expect(out).to eq("2.3.2")
     end
 
     it "works on a different system" do
@@ -41,7 +41,7 @@ describe "bundle install --standalone" do
         puts ACTIONPACK
       RUBY
 
-      out.should be == "2.3.2"
+      expect(out).to eq("2.3.2")
     end
   end
 
@@ -61,7 +61,7 @@ describe "bundle install --standalone" do
     end
 
     it "generates a bundle/bundler/setup.rb" do
-      bundled_app("bundle/bundler/setup.rb").should exist
+      expect(bundled_app("bundle/bundler/setup.rb")).to exist
     end
 
     it "makes the gems available without bundler" do
@@ -75,7 +75,7 @@ describe "bundle install --standalone" do
         puts ACTIONPACK
       RUBY
 
-      out.should be == "1.0\n2.3.2"
+      expect(out).to eq("1.0\n2.3.2")
     end
   end
 
@@ -107,7 +107,7 @@ describe "bundle install --standalone" do
         puts RACK_TEST
       RUBY
 
-      out.should be == "2.3.2\n1.2.7\n1.0"
+      expect(out).to eq("2.3.2\n1.2.7\n1.0")
     end
 
     it "allows creating a standalone file with limited groups" do
@@ -122,8 +122,8 @@ describe "bundle install --standalone" do
         require "spec"
       RUBY
 
-      out.should be == "2.3.2"
-      err.should == "ZOMG LOAD ERROR"
+      expect(out).to eq("2.3.2")
+      expect(err).to eq("ZOMG LOAD ERROR")
     end
 
     it "allows --without to limit the groups used in a standalone" do
@@ -138,8 +138,8 @@ describe "bundle install --standalone" do
         require "spec"
       RUBY
 
-      out.should be == "2.3.2"
-      err.should == "ZOMG LOAD ERROR"
+      expect(out).to eq("2.3.2")
+      expect(err).to eq("ZOMG LOAD ERROR")
     end
 
     it "allows --path to change the location of the standalone bundle" do
@@ -153,7 +153,7 @@ describe "bundle install --standalone" do
         puts ACTIONPACK
       RUBY
 
-      out.should == "2.3.2"
+      expect(out).to eq("2.3.2")
     end
 
     it "allows remembered --without to limit the groups used in a standalone" do
@@ -169,8 +169,8 @@ describe "bundle install --standalone" do
         require "spec"
       RUBY
 
-      out.should be == "2.3.2"
-      err.should == "ZOMG LOAD ERROR"
+      expect(out).to eq("2.3.2")
+      expect(err).to eq("ZOMG LOAD ERROR")
     end
   end
 
@@ -188,7 +188,7 @@ describe "bundle install --standalone" do
       it "should run without errors" do
         bundle "install --standalone", :artifice => "endpoint", :exitstatus => true
 
-        @exitstatus.should be == 0
+        expect(@exitstatus).to eq(0)
       end
 
       it "still makes the gems available to normal bundler" do
@@ -200,7 +200,7 @@ describe "bundle install --standalone" do
       it "generates a bundle/bundler/setup.rb" do
         bundle "install --standalone", :artifice => "endpoint"
 
-        bundled_app("bundle/bundler/setup.rb").should exist
+        expect(bundled_app("bundle/bundler/setup.rb")).to exist
       end
 
       it "makes the gems available without bundler" do
@@ -214,7 +214,7 @@ describe "bundle install --standalone" do
           puts ACTIONPACK
         RUBY
 
-        out.should be == "2.3.2"
+        expect(out).to eq("2.3.2")
       end
 
       it "works on a different system" do
@@ -231,7 +231,7 @@ describe "bundle install --standalone" do
           puts ACTIONPACK
         RUBY
 
-        out.should be == "2.3.2"
+        expect(out).to eq("2.3.2")
       end
     end
   end
@@ -246,14 +246,14 @@ describe "bundle install --standalone" do
 
     it "creates stubs that use the standalone load path" do
       Dir.chdir(bundled_app) do
-        `bin/rails -v`.chomp.should eql "2.3.2"
+        expect(`bin/rails -v`.chomp).to eql "2.3.2"
       end
     end
 
     it "creates stubs that can be executed from anywhere" do
       require 'tmpdir'
       Dir.chdir(Dir.tmpdir) do
-        `#{bundled_app}/bin/rails -v`.chomp.should eql "2.3.2"
+        expect(`#{bundled_app}/bin/rails -v`.chomp).to eql "2.3.2"
       end
     end
   end
diff --git a/spec/install/gems/sudo_spec.rb b/spec/install/gems/sudo_spec.rb
index 3894f76811..32738aacb7 100644
--- a/spec/install/gems/sudo_spec.rb
+++ b/spec/install/gems/sudo_spec.rb
@@ -13,8 +13,8 @@ describe "when using sudo", :sudo => true do
         gem "thin"
       G
 
-      system_gem_path("gems/rack-1.0.0").should exist
-      system_gem_path("gems/rack-1.0.0").stat.uid.should eq(0)
+      expect(system_gem_path("gems/rack-1.0.0")).to exist
+      expect(system_gem_path("gems/rack-1.0.0").stat.uid).to eq(0)
       should_be_installed "rack 1.0"
     end
 
@@ -29,8 +29,8 @@ describe "when using sudo", :sudo => true do
         gem "rack", '1.0'
       G
 
-      bundle_path.join("gems/rack-1.0.0").should exist
-      bundle_path.join("gems/rack-1.0.0").stat.uid.should eq(0)
+      expect(bundle_path.join("gems/rack-1.0.0")).to exist
+      expect(bundle_path.join("gems/rack-1.0.0").stat.uid).to eq(0)
       should_be_installed "rack 1.0"
     end
 
@@ -45,7 +45,7 @@ describe "when using sudo", :sudo => true do
         gem "rack", '1.0'
       G
 
-      default_bundle_path("gems/rack-1.0.0").should exist
+      expect(default_bundle_path("gems/rack-1.0.0")).to exist
       should_be_installed "rack 1.0"
     end
   end
@@ -65,7 +65,7 @@ describe "when using sudo", :sudo => true do
           gem "rack", '1.0'
         G
 
-        gem_home.join('bin/rackup').should exist
+        expect(gem_home.join('bin/rackup')).to exist
         should_be_installed "rack 1.0"
       end
     end
diff --git a/spec/install/gems/win32_spec.rb b/spec/install/gems/win32_spec.rb
index 59adb18324..771d3faa4a 100644
--- a/spec/install/gems/win32_spec.rb
+++ b/spec/install/gems/win32_spec.rb
@@ -21,6 +21,6 @@ describe "bundle install with win32-generated lockfile" do
 
       gem "rack"
     G
-    @exitstatus.should == 0
+    expect(@exitstatus).to eq(0)
   end
 end
diff --git a/spec/install/gemspec_spec.rb b/spec/install/gemspec_spec.rb
index 7000d765a6..a8d0f3d323 100644
--- a/spec/install/gemspec_spec.rb
+++ b/spec/install/gemspec_spec.rb
@@ -62,7 +62,7 @@ describe "bundle install from an existing gemspec" do
       source "file://#{gem_repo2}"
       gemspec :path => '#{tmp.join("foo")}'
     G
-    error.should match(/There are no gemspecs at #{tmp.join('foo')}/)
+    expect(error).to match(/There are no gemspecs at #{tmp.join('foo')}/)
   end
 
   it "should raise if there are too many gemspecs available" do
@@ -74,7 +74,7 @@ describe "bundle install from an existing gemspec" do
       source "file://#{gem_repo2}"
       gemspec :path => '#{tmp.join("foo")}'
     G
-    error.should match(/There are multiple gemspecs at #{tmp.join('foo')}/)
+    expect(error).to match(/There are multiple gemspecs at #{tmp.join('foo')}/)
   end
 
   it "should pick a specific gemspec" do
@@ -125,9 +125,9 @@ describe "bundle install from an existing gemspec" do
       # doesn't change. Exit codes should be used correctly (they can be more
       # than just 0 and 1).
       output = bundle("install --deployment")
-      output.should_not match(/You have added to the Gemfile/)
-      output.should_not match(/You have deleted from the Gemfile/)
-      output.should_not match(/install in deployment mode after changing/)
+      expect(output).not_to match(/You have added to the Gemfile/)
+      expect(output).not_to match(/You have deleted from the Gemfile/)
+      expect(output).not_to match(/install in deployment mode after changing/)
     end
   end
 
@@ -140,7 +140,7 @@ describe "bundle install from an existing gemspec" do
     install_gemfile <<-G, :expect_err => true
       gemspec :path => '#{tmp.join("foo")}'
     G
-    @err.should_not match(/ahh/)
+    expect(@err).not_to match(/ahh/)
   end
 
   context "when child gemspecs conflict with a released gemspec" do
diff --git a/spec/install/git_spec.rb b/spec/install/git_spec.rb
index bacfdbd14e..305445630e 100644
--- a/spec/install/git_spec.rb
+++ b/spec/install/git_spec.rb
@@ -23,11 +23,11 @@ describe "bundle install with git sources" do
         puts "WIN" unless defined?(FOO_PREV_REF)
       RUBY
 
-      out.should == "WIN"
+      expect(out).to eq("WIN")
     end
 
     it "caches the git repo" do
-      Dir["#{default_bundle_path}/cache/bundler/git/foo-1.0-*"].should have(1).item
+      expect(Dir["#{default_bundle_path}/cache/bundler/git/foo-1.0-*"]).to have(1).item
     end
 
     it "does not update the git source implicitly" do
@@ -47,14 +47,14 @@ describe "bundle install with git sources" do
           puts "fail" if defined?(FOO_PREV_REF)
         RUBY
 
-        out.should be_empty
+        expect(out).to be_empty
       end
     end
 
     it "setups executables" do
       pending_jruby_shebang_fix
       bundle "exec foobar"
-      out.should == "1.0"
+      expect(out).to eq("1.0")
     end
 
     it "complains if pinned specs don't exist in the git repo" do
@@ -64,7 +64,7 @@ describe "bundle install with git sources" do
         gem "foo", "1.1", :git => "#{lib_path('foo-1.0')}"
       G
 
-      out.should include("Source contains 'foo' at: 1.0")
+      expect(out).to include("Source contains 'foo' at: 1.0")
     end
 
     it "still works after moving the application directory" do
@@ -136,7 +136,7 @@ describe "bundle install with git sources" do
         puts "WIN" unless defined?(FOO_PREV_REF)
       RUBY
 
-      out.should == "WIN"
+      expect(out).to eq("WIN")
     end
 
     it "works when the revision is a symbol" do
@@ -145,14 +145,14 @@ describe "bundle install with git sources" do
           gem "foo"
         end
       G
-      err.should eq("")
+      expect(err).to eq("")
 
       run <<-RUBY
         require 'foo'
         puts "WIN" unless defined?(FOO_PREV_REF)
       RUBY
 
-      out.should == "WIN"
+      expect(out).to eq("WIN")
     end
   end
 
@@ -172,10 +172,10 @@ describe "bundle install with git sources" do
 
       bundle %|config local.rack #{lib_path('local-rack')}|
       bundle :install
-      out.should =~ /at #{lib_path('local-rack')}/
+      expect(out).to match(/at #{lib_path('local-rack')}/)
 
       run "require 'rack'"
-      out.should == "LOCAL"
+      expect(out).to eq("LOCAL")
     end
 
     it "chooses the local repository on runtime" do
@@ -194,7 +194,7 @@ describe "bundle install with git sources" do
 
       bundle %|config local.rack #{lib_path('local-rack')}|
       run "require 'rack'"
-      out.should == "LOCAL"
+      expect(out).to eq("LOCAL")
     end
 
     it "updates specs on runtime" do
@@ -218,7 +218,7 @@ describe "bundle install with git sources" do
       run "require 'rack'"
 
       lockfile1 = File.read(bundled_app("Gemfile.lock"))
-      lockfile1.should_not == lockfile0
+      expect(lockfile1).not_to eq(lockfile0)
     end
 
     it "updates ref on install" do
@@ -238,7 +238,7 @@ describe "bundle install with git sources" do
       bundle :install
 
       lockfile1 = File.read(bundled_app("Gemfile.lock"))
-      lockfile1.should_not == lockfile0
+      expect(lockfile1).not_to eq(lockfile0)
     end
 
     it "explodes if given path does not exist on install" do
@@ -251,7 +251,7 @@ describe "bundle install with git sources" do
 
       bundle %|config local.rack #{lib_path('local-rack')}|
       bundle :install
-      out.should =~ /Cannot use local override for rack-0.8 because #{Regexp.escape(lib_path('local-rack').to_s)} does not exist/
+      expect(out).to match(/Cannot use local override for rack-0.8 because #{Regexp.escape(lib_path('local-rack').to_s)} does not exist/)
     end
 
     it "explodes if branch is not given on install" do
@@ -265,7 +265,7 @@ describe "bundle install with git sources" do
 
       bundle %|config local.rack #{lib_path('local-rack')}|
       bundle :install
-      out.should =~ /cannot use local override/i
+      expect(out).to match(/cannot use local override/i)
     end
 
     it "does not explode if disable_local_branch_check is given" do
@@ -280,7 +280,7 @@ describe "bundle install with git sources" do
       bundle %|config local.rack #{lib_path('local-rack')}|
       bundle %|config disable_local_branch_check true|
       bundle :install
-      out.should =~ /Your bundle is complete!/
+      expect(out).to match(/Your bundle is complete!/)
     end
 
     it "explodes on different branches on install" do
@@ -299,7 +299,7 @@ describe "bundle install with git sources" do
 
       bundle %|config local.rack #{lib_path('local-rack')}|
       bundle :install
-      out.should =~ /is using branch another but Gemfile specifies master/
+      expect(out).to match(/is using branch another but Gemfile specifies master/)
     end
 
     it "explodes on invalid revision on install" do
@@ -316,7 +316,7 @@ describe "bundle install with git sources" do
 
       bundle %|config local.rack #{lib_path('local-rack')}|
       bundle :install
-      out.should =~ /The Gemfile lock is pointing to revision \w+/
+      expect(out).to match(/The Gemfile lock is pointing to revision \w+/)
     end
   end
 
@@ -365,7 +365,7 @@ describe "bundle install with git sources" do
       G
 
       run "require 'rack'"
-      out.should == 'WIN OVERRIDE'
+      expect(out).to eq('WIN OVERRIDE')
     end
 
     it "correctly unlocks when changing to a git source" do
@@ -431,7 +431,7 @@ describe "bundle install with git sources" do
       puts "WIN" unless defined?(FOO_PREV_REF)
     RUBY
 
-    out.should == "WIN"
+    expect(out).to eq("WIN")
   end
 
   it "correctly handles cases with invalid gemspecs" do
@@ -512,9 +512,9 @@ describe "bundle install with git sources" do
 
     bundle :install, :expect_err => true
 
-    out.should include("Git error:")
-    err.should include("fatal")
-    err.should include("omgomg")
+    expect(out).to include("Git error:")
+    expect(err).to include("fatal")
+    expect(err).to include("omgomg")
   end
 
   it "works when the gem path has spaces in it" do
@@ -567,7 +567,7 @@ describe "bundle install with git sources" do
         gem "has_submodule"
       end
     G
-    out.should =~ /could not find gem 'submodule/i
+    expect(out).to match(/could not find gem 'submodule/i)
 
     should_not_be_installed "has_submodule 1.0", :expect_err => true
   end
@@ -614,7 +614,7 @@ describe "bundle install with git sources" do
       puts "WIN" if FOO_PREV_REF == '#{git.ref_for("HEAD^^")}'
     RUBY
 
-    out.should == "WIN"
+    expect(out).to eq("WIN")
   end
 
   it "does not to a remote fetch if the revision is cached locally" do
@@ -627,7 +627,7 @@ describe "bundle install with git sources" do
     FileUtils.rm_rf(lib_path('foo-1.0'))
 
     bundle "install"
-    out.should_not =~ /updating/i
+    expect(out).not_to match(/updating/i)
   end
 
   it "doesn't blow up if bundle install is run twice in a row" do
@@ -639,7 +639,7 @@ describe "bundle install with git sources" do
 
     bundle "install"
     bundle "install", :exitstatus => true
-    exitstatus.should == 0
+    expect(exitstatus).to eq(0)
   end
 
   it "does not duplicate git gem sources" do
@@ -655,7 +655,7 @@ describe "bundle install with git sources" do
     G
 
     bundle "install"
-    File.read(bundled_app("Gemfile.lock")).scan('GIT').size.should == 1
+    expect(File.read(bundled_app("Gemfile.lock")).scan('GIT').size).to eq(1)
   end
 
   describe "switching sources" do
@@ -699,7 +699,7 @@ describe "bundle install with git sources" do
       G
 
       run "require 'new_file'"
-      out.should == "USING GIT"
+      expect(out).to eq("USING GIT")
     end
   end
 
@@ -727,7 +727,7 @@ describe "bundle install with git sources" do
         puts VALIM_PREV_REF
       R
 
-      out.should == old_revision
+      expect(out).to eq(old_revision)
     end
   end
 
@@ -743,7 +743,7 @@ describe "bundle install with git sources" do
       simulate_new_machine
 
       bundle "install --deployment", :exitstatus => true
-      exitstatus.should == 0
+      expect(exitstatus).to eq(0)
     end
   end
 
@@ -765,7 +765,7 @@ describe "bundle install with git sources" do
 
       bundle :install, :expect_err => true,
         :requires => [lib_path('install_hooks.rb')]
-      err.should == "Ran pre-install hook: foo-1.0"
+      expect(err).to eq("Ran pre-install hook: foo-1.0")
     end
 
     it "runs post-install hooks" do
@@ -785,7 +785,7 @@ describe "bundle install with git sources" do
 
       bundle :install, :expect_err => true,
         :requires => [lib_path('install_hooks.rb')]
-      err.should == "Ran post-install hook: foo-1.0"
+      expect(err).to eq("Ran post-install hook: foo-1.0")
     end
 
     it "complains if the install hook fails" do
@@ -805,7 +805,7 @@ describe "bundle install with git sources" do
 
       bundle :install, :expect_err => true,
         :requires => [lib_path('install_hooks.rb')]
-      out.should include("failed for foo-1.0")
+      expect(out).to include("failed for foo-1.0")
     end
   end
 end
diff --git a/spec/install/invalid_spec.rb b/spec/install/invalid_spec.rb
index 67b6d31a8d..fbf41bf419 100644
--- a/spec/install/invalid_spec.rb
+++ b/spec/install/invalid_spec.rb
@@ -11,7 +11,7 @@ describe "bundle install with deprecated features" do
     G
 
     bundle :install
-    out.should =~ /You passed :lib as an option for gem 'rack', but it is invalid/
+    expect(out).to match(/You passed :lib as an option for gem 'rack', but it is invalid/)
   end
 
 end
@@ -30,6 +30,6 @@ describe "bundle install to a dead symlink" do
     G
 
     bundle "install --path bundle"
-    out.should =~ /invalid symlink/
+    expect(out).to match(/invalid symlink/)
   end
-end
\ No newline at end of file
+end
diff --git a/spec/install/path_spec.rb b/spec/install/path_spec.rb
index 8b778d4efe..544e44326c 100644
--- a/spec/install/path_spec.rb
+++ b/spec/install/path_spec.rb
@@ -67,7 +67,7 @@ describe "bundle install with explicit source paths" do
     G
 
     bundle "install --frozen", :exitstatus => true
-    exitstatus.should == 0
+    expect(exitstatus).to eq(0)
   end
 
   it "installs dependencies from the path even if a newer gem is available elsewhere" do
@@ -87,7 +87,7 @@ describe "bundle install with explicit source paths" do
     G
 
     run "require 'rack'"
-    out.should == 'WIN OVERRIDE'
+    expect(out).to eq('WIN OVERRIDE')
   end
 
   it "works" do
@@ -191,8 +191,8 @@ describe "bundle install with explicit source paths" do
       gemspec :path => "#{lib_path("foo")}"
     G
 
-    exitstatus.should eq(15)
-    out.should =~ /There are multiple gemspecs/
+    expect(exitstatus).to eq(15)
+    expect(out).to match(/There are multiple gemspecs/)
   end
 
   it "allows :name to be specified to resolve ambiguity" do
@@ -220,7 +220,7 @@ describe "bundle install with explicit source paths" do
     G
 
     bundle "exec foobar"
-    out.should == "1.0"
+    expect(out).to eq("1.0")
   end
 
   it "handles directories in bin/" do
@@ -231,7 +231,7 @@ describe "bundle install with explicit source paths" do
     install_gemfile <<-G
       gem 'foo', '1.0', :path => "#{lib_path('foo-1.0')}"
     G
-    err.should == ""
+    expect(err).to eq("")
   end
 
   it "removes the .gem file after installing" do
@@ -241,7 +241,7 @@ describe "bundle install with explicit source paths" do
       gem 'foo', :path => "#{lib_path('foo-1.0')}"
     G
 
-    lib_path('foo-1.0').join('foo-1.0.gem').should_not exist
+    expect(lib_path('foo-1.0').join('foo-1.0.gem')).not_to exist
   end
 
   describe "block syntax" do
@@ -297,7 +297,7 @@ describe "bundle install with explicit source paths" do
     G
 
     bundle "exec foo"
-    out.should == "1.0"
+    expect(out).to eq("1.0")
   end
 
   describe "when the gem version in the path is updated" do
diff --git a/spec/install/upgrade_spec.rb b/spec/install/upgrade_spec.rb
index 67d8eebf54..603c39bf11 100644
--- a/spec/install/upgrade_spec.rb
+++ b/spec/install/upgrade_spec.rb
@@ -13,14 +13,14 @@ describe "bundle install for the first time with v1.0" do
   it "removes lockfiles in 0.9 YAML format" do
     File.open("Gemfile.lock", "w"){|f| YAML.dump({}, f) }
     bundle :install
-    File.read("Gemfile.lock").should_not =~ /^---/
+    expect(File.read("Gemfile.lock")).not_to match(/^---/)
   end
 
   it "removes env.rb if it exists" do
     bundled_app.join(".bundle").mkdir
     bundled_app.join(".bundle/environment.rb").open("w"){|f| f.write("raise 'nooo'") }
     bundle :install
-    bundled_app.join(".bundle/environment.rb").should_not exist
+    expect(bundled_app.join(".bundle/environment.rb")).not_to exist
   end
 
 end
diff --git a/spec/integration/inject.rb b/spec/integration/inject.rb
index e57eeb0347..f7ffff6083 100644
--- a/spec/integration/inject.rb
+++ b/spec/integration/inject.rb
@@ -10,9 +10,9 @@ describe "bundle inject" do
 
   context "without a lockfile" do
     it "locks with the injected gems" do
-      bundled_app("Gemfile.lock").should_not exist
+      expect(bundled_app("Gemfile.lock")).not_to exist
       bundle "inject 'rack-obama' '> 0'"
-      bundled_app("Gemfile.lock").read.should match(/rack-obama/)
+      expect(bundled_app("Gemfile.lock").read).to match(/rack-obama/)
     end
   end
 
@@ -22,22 +22,22 @@ describe "bundle inject" do
     end
 
     it "adds the injected gems to the gemfile" do
-      bundled_app("Gemfile").read.should_not match(/rack-obama/)
+      expect(bundled_app("Gemfile").read).not_to match(/rack-obama/)
       bundle "inject 'rack-obama' '> 0'"
-      bundled_app("Gemfile").read.should match(/rack-obama/)
+      expect(bundled_app("Gemfile").read).to match(/rack-obama/)
     end
 
     it "locks with the injected gems" do
-      bundled_app("Gemfile.lock").read.should_not match(/rack-obama/)
+      expect(bundled_app("Gemfile.lock").read).not_to match(/rack-obama/)
       bundle "inject 'rack-obama' '> 0'"
-      bundled_app("Gemfile.lock").read.should match(/rack-obama/)
+      expect(bundled_app("Gemfile.lock").read).to match(/rack-obama/)
     end
   end
 
   context "with injected gems already in the Gemfile" do
     it "doesn't add existing gems" do
       bundle "inject 'rack' '> 0'"
-      out.should match(/cannot specify the same gem twice/i)
+      expect(out).to match(/cannot specify the same gem twice/i)
     end
   end
 
@@ -49,19 +49,19 @@ describe "bundle inject" do
 
     it "injects anyway" do
       bundle "inject 'rack-obama' '> 0'"
-      bundled_app("Gemfile").read.should match(/rack-obama/)
+      expect(bundled_app("Gemfile").read).to match(/rack-obama/)
     end
 
     it "locks with the injected gems" do
-      bundled_app("Gemfile.lock").read.should_not match(/rack-obama/)
+      expect(bundled_app("Gemfile.lock").read).not_to match(/rack-obama/)
       bundle "inject 'rack-obama' '> 0'"
-      bundled_app("Gemfile.lock").read.should match(/rack-obama/)
+      expect(bundled_app("Gemfile.lock").read).to match(/rack-obama/)
     end
 
     it "restores frozen afterwards" do
       bundle "inject 'rack-obama' '> 0'"
       config = YAML.load(bundled_app(".bundle/config").read)
-      config["BUNDLE_FROZEN"].should == "1"
+      expect(config["BUNDLE_FROZEN"]).to eq("1")
     end
 
     it "doesn't allow Gemfile changes" do
@@ -70,9 +70,9 @@ describe "bundle inject" do
         gem "rack-obama"
       G
       bundle "inject 'rack' '> 0'"
-      out.should match(/trying to install in deployment mode after changing/)
+      expect(out).to match(/trying to install in deployment mode after changing/)
 
-      bundled_app("Gemfile.lock").read.should_not match(/rack-obama/)
+      expect(bundled_app("Gemfile.lock").read).not_to match(/rack-obama/)
     end
   end
-end
\ No newline at end of file
+end
diff --git a/spec/lock/git_spec.rb b/spec/lock/git_spec.rb
index 7d023b83d2..23b7f3112c 100644
--- a/spec/lock/git_spec.rb
+++ b/spec/lock/git_spec.rb
@@ -22,14 +22,14 @@ describe "bundle lock with git gems" do
       puts "WIN" unless defined?(FOO_PREV_REF)
     RUBY
 
-    out.should == "WIN"
+    expect(out).to eq("WIN")
   end
 
   it "provides correct #full_gem_path" do
     run <<-RUBY
       puts Bundler.rubygems.find_name('foo').first.full_gem_path
     RUBY
-    out.should == bundle("show foo")
+    expect(out).to eq(bundle("show foo"))
   end
 
 end
diff --git a/spec/lock/lockfile_spec.rb b/spec/lock/lockfile_spec.rb
index 81c5119e94..45173f3bdf 100644
--- a/spec/lock/lockfile_spec.rb
+++ b/spec/lock/lockfile_spec.rb
@@ -633,8 +633,8 @@ describe "the lockfile format" do
       gem "rack", "1.1"
     G
 
-    bundled_app("Gemfile.lock").should_not exist
-    out.should include "rack (= 1.0) and rack (= 1.1)"
+    expect(bundled_app("Gemfile.lock")).not_to exist
+    expect(out).to include "rack (= 1.0) and rack (= 1.1)"
   end
 
 
@@ -645,8 +645,8 @@ describe "the lockfile format" do
       gem "rack", :git => "git://hubz.com"
     G
 
-    bundled_app("Gemfile.lock").should_not exist
-    out.should include "rack (>= 0) should come from an unspecified source and git://hubz.com (at master)"
+    expect(bundled_app("Gemfile.lock")).not_to exist
+    expect(out).to include "rack (>= 0) should come from an unspecified source and git://hubz.com (at master)"
   end
 
   it "works correctly with multiple version dependencies" do
@@ -720,7 +720,7 @@ describe "the lockfile format" do
     should_be_installed "omg 1.0"
 
     # Confirm that duplicate specs do not appear
-    File.read(bundled_app('Gemfile.lock')).should == strip_whitespace(<<-L)
+    expect(File.read(bundled_app('Gemfile.lock'))).to eq(strip_whitespace(<<-L))
       GIT
         remote: #{lib_path('omg')}
         revision: #{revision}
@@ -755,7 +755,7 @@ describe "the lockfile format" do
     end
 
     it "generates Gemfile.lock with \\n line endings" do
-      File.read(bundled_app("Gemfile.lock")).should_not match("\r\n")
+      expect(File.read(bundled_app("Gemfile.lock"))).not_to match("\r\n")
       should_be_installed "rack 1.0"
     end
 
@@ -764,8 +764,8 @@ describe "the lockfile format" do
       it "preserves Gemfile.lock \\n line endings" do
         update_repo2
 
-        lambda { bundle "update" }.should change { File.mtime(bundled_app('Gemfile.lock')) }
-        File.read(bundled_app("Gemfile.lock")).should_not match("\r\n")
+        expect { bundle "update" }.to change { File.mtime(bundled_app('Gemfile.lock')) }
+        expect(File.read(bundled_app("Gemfile.lock"))).not_to match("\r\n")
         should_be_installed "rack 1.2"
       end
 
@@ -775,8 +775,8 @@ describe "the lockfile format" do
         File.open(bundled_app("Gemfile.lock"), "wb"){|f| f.puts(win_lock) }
         set_lockfile_mtime_to_known_value
 
-        lambda { bundle "update" }.should change { File.mtime(bundled_app('Gemfile.lock')) }
-        File.read(bundled_app("Gemfile.lock")).should match("\r\n")
+        expect { bundle "update" }.to change { File.mtime(bundled_app('Gemfile.lock')) }
+        expect(File.read(bundled_app("Gemfile.lock"))).to match("\r\n")
         should_be_installed "rack 1.2"
       end
     end
@@ -784,12 +784,12 @@ describe "the lockfile format" do
     context "when nothing changes" do
 
       it "preserves Gemfile.lock \\n line endings" do
-        lambda { ruby <<-RUBY
+        expect { ruby <<-RUBY
                    require 'rubygems'
                    require 'bundler'
                    Bundler.setup
                  RUBY
-               }.should_not change { File.mtime(bundled_app('Gemfile.lock')) }
+               }.not_to change { File.mtime(bundled_app('Gemfile.lock')) }
       end
 
       it "preserves Gemfile.lock \\n\\r line endings" do
@@ -797,12 +797,12 @@ describe "the lockfile format" do
         File.open(bundled_app("Gemfile.lock"), "wb"){|f| f.puts(win_lock) }
         set_lockfile_mtime_to_known_value
 
-        lambda { ruby <<-RUBY
+        expect { ruby <<-RUBY
                    require 'rubygems'
                    require 'bundler'
                    Bundler.setup
                  RUBY
-               }.should_not change { File.mtime(bundled_app('Gemfile.lock')) }
+               }.not_to change { File.mtime(bundled_app('Gemfile.lock')) }
       end
     end
   end
diff --git a/spec/other/check_spec.rb b/spec/other/check_spec.rb
index 103e615049..068b0f0e77 100644
--- a/spec/other/check_spec.rb
+++ b/spec/other/check_spec.rb
@@ -8,8 +8,8 @@ describe "bundle check" do
     G
 
     bundle :check, :exitstatus => true
-    @exitstatus.should eq(0)
-    out.should == "The Gemfile's dependencies are satisfied"
+    expect(@exitstatus).to eq(0)
+    expect(out).to eq("The Gemfile's dependencies are satisfied")
   end
 
   it "works with the --gemfile flag when not in the directory" do
@@ -20,7 +20,7 @@ describe "bundle check" do
 
     Dir.chdir tmp
     bundle "check --gemfile bundled_app/Gemfile"
-    out.should == "The Gemfile's dependencies are satisfied"
+    expect(out).to eq("The Gemfile's dependencies are satisfied")
   end
 
   it "creates a Gemfile.lock by default if one did not exist" do
@@ -33,7 +33,7 @@ describe "bundle check" do
 
     bundle "check"
 
-    bundled_app("Gemfile.lock").should exist
+    expect(bundled_app("Gemfile.lock")).to exist
   end
 
   it "does not create a Gemfile.lock if --dry-run was passed" do
@@ -46,7 +46,7 @@ describe "bundle check" do
 
     bundle "check --dry-run"
 
-    bundled_app("Gemfile.lock").should_not exist
+    expect(bundled_app("Gemfile.lock")).not_to exist
   end
 
   it "prints a generic error if the missing gems are unresolvable" do
@@ -58,7 +58,7 @@ describe "bundle check" do
     G
 
     bundle :check
-    out.should include("Your Gemfile's dependencies could not be satisfied")
+    expect(out).to include("Your Gemfile's dependencies could not be satisfied")
   end
 
   it "prints a generic error if a Gemfile.lock does not exist and a toplevel dependency does not exist" do
@@ -68,8 +68,8 @@ describe "bundle check" do
     G
 
     bundle :check, :exitstatus => true
-    @exitstatus.should be > 0
-    out.should include("could not be satisfied")
+    expect(@exitstatus).to be > 0
+    expect(out).to include("could not be satisfied")
   end
 
   it "prints a generic message if you changed your lockfile" do
@@ -89,7 +89,7 @@ describe "bundle check" do
     G
 
     bundle :check
-    out.should include("Your Gemfile's dependencies could not be satisfied")
+    expect(out).to include("Your Gemfile's dependencies could not be satisfied")
   end
 
   it "remembers --without option from install" do
@@ -102,8 +102,8 @@ describe "bundle check" do
 
     bundle "install --without foo"
     bundle "check", :exitstatus => true
-    @exitstatus.should eq(0)
-    out.should include("The Gemfile's dependencies are satisfied")
+    expect(@exitstatus).to eq(0)
+    expect(out).to include("The Gemfile's dependencies are satisfied")
   end
 
   it "ensures that gems are actually installed and not just cached" do
@@ -120,8 +120,8 @@ describe "bundle check" do
     G
 
     bundle "check", :exitstatus => true
-    out.should include("* rack (1.0.0)")
-    @exitstatus.should == 1
+    expect(out).to include("* rack (1.0.0)")
+    expect(@exitstatus).to eq(1)
   end
 
   it "ignores missing gems restricted to other platforms" do
@@ -152,7 +152,7 @@ describe "bundle check" do
     G
 
     bundle :check
-    out.should == "The Gemfile's dependencies are satisfied"
+    expect(out).to eq("The Gemfile's dependencies are satisfied")
   end
 
   it "works with env conditionals" do
@@ -183,19 +183,19 @@ describe "bundle check" do
     G
 
     bundle :check
-    out.should == "The Gemfile's dependencies are satisfied"
+    expect(out).to eq("The Gemfile's dependencies are satisfied")
   end
 
   it "outputs an error when the default Gemfile is not found" do
     bundle :check, :exitstatus => true
-    @exitstatus.should eq(10)
-    out.should include("Could not locate Gemfile")
+    expect(@exitstatus).to eq(10)
+    expect(out).to include("Could not locate Gemfile")
   end
 
   it "does not output fatal error message" do
     bundle :check, :exitstatus => true
-    @exitstatus.should eq(10)
-    out.should_not include("Unfortunately, a fatal error has occurred. ")
+    expect(@exitstatus).to eq(10)
+    expect(out).not_to include("Unfortunately, a fatal error has occurred. ")
   end
 
   it "should not crash when called multiple times on a new machine" do
@@ -209,8 +209,8 @@ describe "bundle check" do
     last_out = out
     3.times do |i|
       bundle :check
-      out.should eq(last_out)
-      err.should be_empty
+      expect(out).to eq(last_out)
+      expect(err).to be_empty
     end
   end
 
@@ -225,7 +225,7 @@ describe "bundle check" do
     FileUtils.rm(bundled_app("Gemfile.lock"))
 
     bundle :check, :exitstatus => true
-    exitstatus.should_not eq(0)
+    expect(exitstatus).not_to eq(0)
   end
 
   context "--path" do
@@ -241,14 +241,14 @@ describe "bundle check" do
 
     it "returns success" do
       bundle "check --path vendor/bundle", :exitstatus => true
-      @exitstatus.should eq(0)
-      out.should == "The Gemfile's dependencies are satisfied"
+      expect(@exitstatus).to eq(0)
+      expect(out).to eq("The Gemfile's dependencies are satisfied")
     end
 
     it "should write to .bundle/config" do
       bundle "check --path vendor/bundle", :exitstatus => true
       bundle "check", :exitstatus => true
-      @exitstatus.should eq(0)
+      expect(@exitstatus).to eq(0)
     end
   end
 
@@ -264,15 +264,15 @@ describe "bundle check" do
     it "returns success when the Gemfile is satisfied" do
       bundle :install
       bundle :check, :exitstatus => true
-      @exitstatus.should eq(0)
-      out.should == "The Gemfile's dependencies are satisfied"
+      expect(@exitstatus).to eq(0)
+      expect(out).to eq("The Gemfile's dependencies are satisfied")
     end
 
     it "shows what is missing with the current Gemfile if it is not satisfied" do
       simulate_new_machine
       bundle :check
-      out.should match(/The following gems are missing/)
-      out.should include("* rack (1.0")
+      expect(out).to match(/The following gems are missing/)
+      expect(out).to include("* rack (1.0")
     end
   end
 end
diff --git a/spec/other/clean_spec.rb b/spec/other/clean_spec.rb
index 5a481609ad..8b93f9a719 100644
--- a/spec/other/clean_spec.rb
+++ b/spec/other/clean_spec.rb
@@ -3,17 +3,17 @@ require "spec_helper"
 describe "bundle clean" do
   def should_have_gems(*gems)
     gems.each do |g|
-      vendored_gems("gems/#{g}").should exist
-      vendored_gems("specifications/#{g}.gemspec").should exist
-      vendored_gems("cache/#{g}.gem").should exist
+      expect(vendored_gems("gems/#{g}")).to exist
+      expect(vendored_gems("specifications/#{g}.gemspec")).to exist
+      expect(vendored_gems("cache/#{g}.gem")).to exist
     end
   end
 
   def should_not_have_gems(*gems)
     gems.each do |g|
-      vendored_gems("gems/#{g}").should_not exist
-      vendored_gems("specifications/#{g}.gemspec").should_not exist
-      vendored_gems("cache/#{g}.gem").should_not exist
+      expect(vendored_gems("gems/#{g}")).not_to exist
+      expect(vendored_gems("specifications/#{g}.gemspec")).not_to exist
+      expect(vendored_gems("cache/#{g}.gem")).not_to exist
     end
   end
 
@@ -36,12 +36,12 @@ describe "bundle clean" do
 
     bundle :clean
 
-    out.should eq("Removing foo (1.0)")
+    expect(out).to eq("Removing foo (1.0)")
 
     should_have_gems 'thin-1.0', 'rack-1.0.0'
     should_not_have_gems 'foo-1.0'
 
-    vendored_gems("bin/rackup").should exist
+    expect(vendored_gems("bin/rackup")).to exist
   end
 
   it "removes old version of gem if unused" do
@@ -64,12 +64,12 @@ describe "bundle clean" do
 
     bundle :clean
 
-    out.should eq("Removing rack (0.9.1)")
+    expect(out).to eq("Removing rack (0.9.1)")
 
     should_have_gems 'foo-1.0', 'rack-1.0.0'
     should_not_have_gems 'rack-0.9.1'
 
-    vendored_gems("bin/rackup").should exist
+    expect(vendored_gems("bin/rackup")).to exist
   end
 
   it "removes new version of gem if unused" do
@@ -92,12 +92,12 @@ describe "bundle clean" do
 
     bundle :clean
 
-    out.should eq("Removing rack (1.0.0)")
+    expect(out).to eq("Removing rack (1.0.0)")
 
     should_have_gems 'foo-1.0', 'rack-0.9.1'
     should_not_have_gems 'rack-1.0.0'
 
-    vendored_gems("bin/rackup").should exist
+    expect(vendored_gems("bin/rackup")).to exist
   end
 
   it "does not remove cached git dir if it's being used" do
@@ -119,7 +119,7 @@ describe "bundle clean" do
     bundle :clean
 
     digest = Digest::SHA1.hexdigest(git_path.to_s)
-    vendored_gems("cache/bundler/git/foo-1.0-#{digest}").should exist
+    expect(vendored_gems("cache/bundler/git/foo-1.0-#{digest}")).to exist
   end
 
   it "removes unused git gems" do
@@ -147,16 +147,16 @@ describe "bundle clean" do
 
     bundle :clean
 
-    out.should eq("Removing foo (#{revision[0..11]})")
+    expect(out).to eq("Removing foo (#{revision[0..11]})")
 
-    vendored_gems("gems/rack-1.0.0").should exist
-    vendored_gems("bundler/gems/foo-#{revision[0..11]}").should_not exist
+    expect(vendored_gems("gems/rack-1.0.0")).to exist
+    expect(vendored_gems("bundler/gems/foo-#{revision[0..11]}")).not_to exist
     digest = Digest::SHA1.hexdigest(git_path.to_s)
-    vendored_gems("cache/bundler/git/foo-#{digest}").should_not exist
+    expect(vendored_gems("cache/bundler/git/foo-#{digest}")).not_to exist
 
-    vendored_gems("specifications/rack-1.0.0.gemspec").should exist
+    expect(vendored_gems("specifications/rack-1.0.0.gemspec")).to exist
 
-    vendored_gems("bin/rackup").should exist
+    expect(vendored_gems("bin/rackup")).to exist
   end
 
   it "removes old git gems" do
@@ -180,15 +180,15 @@ describe "bundle clean" do
     bundle "update"
     bundle :clean
 
-    out.should eq("Removing foo-bar (#{revision[0..11]})")
+    expect(out).to eq("Removing foo-bar (#{revision[0..11]})")
 
-    vendored_gems("gems/rack-1.0.0").should exist
-    vendored_gems("bundler/gems/foo-bar-#{revision[0..11]}").should_not exist
-    vendored_gems("bundler/gems/foo-bar-#{revision2[0..11]}").should exist
+    expect(vendored_gems("gems/rack-1.0.0")).to exist
+    expect(vendored_gems("bundler/gems/foo-bar-#{revision[0..11]}")).not_to exist
+    expect(vendored_gems("bundler/gems/foo-bar-#{revision2[0..11]}")).to exist
 
-    vendored_gems("specifications/rack-1.0.0.gemspec").should exist
+    expect(vendored_gems("specifications/rack-1.0.0.gemspec")).to exist
 
-    vendored_gems("bin/rackup").should exist
+    expect(vendored_gems("bin/rackup")).to exist
   end
 
   it "does not remove nested gems in a git repo" do
@@ -204,9 +204,9 @@ describe "bundle clean" do
 
     bundle "install --path vendor/bundle"
     bundle :clean
-    out.should eq("")
+    expect(out).to eq("")
 
-    vendored_gems("bundler/gems/rails-#{revision[0..11]}").should exist
+    expect(vendored_gems("bundler/gems/rails-#{revision[0..11]}")).to exist
   end
 
   it "does not remove git sources that are in without groups" do
@@ -228,10 +228,10 @@ describe "bundle clean" do
 
     bundle :clean
 
-    out.should eq("")
-    vendored_gems("bundler/gems/foo-#{revision[0..11]}").should exist
+    expect(out).to eq("")
+    expect(vendored_gems("bundler/gems/foo-#{revision[0..11]}")).to exist
     digest = Digest::SHA1.hexdigest(git_path.to_s)
-    vendored_gems("cache/bundler/git/foo-#{digest}").should exist
+    expect(vendored_gems("cache/bundler/git/foo-#{digest}")).to exist
   end
 
   it "displays an error when used without --path" do
@@ -243,8 +243,8 @@ describe "bundle clean" do
 
     bundle :clean, :exitstatus => true
 
-    exitstatus.should eq(1)
-    out.should == "Can only use bundle clean when --path is set or --force is set"
+    expect(exitstatus).to eq(1)
+    expect(out).to eq("Can only use bundle clean when --path is set or --force is set")
   end
 
   # handling bundle clean upgrade path from the pre's
@@ -274,7 +274,7 @@ describe "bundle clean" do
     should_not_have_gems 'thin-1.0', 'rack-1.0'
     should_have_gems 'foo-1.0'
 
-    vendored_gems("bin/rackup").should_not exist
+    expect(vendored_gems("bin/rackup")).not_to exist
   end
 
   it "does not call clean automatically when using system gems" do
@@ -294,8 +294,8 @@ describe "bundle clean" do
     bundle :install
 
     sys_exec "gem list"
-    out.should include("rack (1.0.0)")
-    out.should include("thin (1.0)")
+    expect(out).to include("rack (1.0.0)")
+    expect(out).to include("thin (1.0)")
   end
 
   it "--clean should override the bundle setting on install" do
@@ -391,7 +391,7 @@ describe "bundle clean" do
     bundle :update
 
     sys_exec "gem list"
-    out.should include("foo (1.0.1, 1.0)")
+    expect(out).to include("foo (1.0.1, 1.0)")
   end
 
   it "cleans system gems when --force is used" do
@@ -411,10 +411,10 @@ describe "bundle clean" do
     bundle :install
     bundle "clean --force"
 
-    out.should eq("Removing foo (1.0)")
+    expect(out).to eq("Removing foo (1.0)")
     sys_exec "gem list"
-    out.should_not include("foo (1.0)")
-    out.should include("rack (1.0.0)")
+    expect(out).not_to include("foo (1.0)")
+    expect(out).to include("rack (1.0.0)")
   end
 
   it "cleans git gems with a 7 length git revision" do
@@ -442,9 +442,9 @@ describe "bundle clean" do
 
     bundle :clean
 
-    out.should_not include("Removing foo (1.0 #{revision[0..6]})")
+    expect(out).not_to include("Removing foo (1.0 #{revision[0..6]})")
 
-    vendored_gems("bundler/gems/foo-1.0-#{revision[0..6]}").should exist
+    expect(vendored_gems("bundler/gems/foo-1.0-#{revision[0..6]}")).to exist
   end
 
   it "when using --force on system gems, it doesn't remove binaries" do
@@ -467,8 +467,8 @@ describe "bundle clean" do
 
     sys_status "foo"
 
-    exitstatus.should eq(0)
-    out.should eq("1.0")
+    expect(exitstatus).to eq(0)
+    expect(out).to eq("1.0")
   end
 
   it "doesn't blow up on path gems without a .gempsec" do
@@ -489,6 +489,6 @@ describe "bundle clean" do
     bundle "install --path vendor/bundle"
     bundle :clean, :exitstatus => true
 
-    exitstatus.should eq(0)
+    expect(exitstatus).to eq(0)
   end
 end
diff --git a/spec/other/config_spec.rb b/spec/other/config_spec.rb
index e1b92bd49b..8a30c688ae 100644
--- a/spec/other/config_spec.rb
+++ b/spec/other/config_spec.rb
@@ -13,8 +13,8 @@ describe ".bundle/config" do
       ENV['BUNDLE_APP_CONFIG'] = tmp('foo/bar').to_s
       bundle "install --path vendor/bundle"
 
-      bundled_app('.bundle').should_not exist
-      tmp('foo/bar/config').should exist
+      expect(bundled_app('.bundle')).not_to exist
+      expect(tmp('foo/bar/config')).to exist
       should_be_installed "rack 1.0.0"
     end
 
@@ -25,8 +25,8 @@ describe ".bundle/config" do
       ENV['BUNDLE_APP_CONFIG'] = "../foo"
       bundle "install --path vendor/bundle"
 
-      bundled_app(".bundle").should_not exist
-      bundled_app("../foo/config").should exist
+      expect(bundled_app(".bundle")).not_to exist
+      expect(bundled_app("../foo/config")).to exist
       should_be_installed "rack 1.0.0"
     end
 
@@ -36,7 +36,7 @@ describe ".bundle/config" do
       bundle "install"
       FileUtils.touch tmp('foo/bar/environment.rb')
       should_be_installed "rack 1.0.0"
-      tmp('foo/bar/environment.rb').should_not exist
+      expect(tmp('foo/bar/environment.rb')).not_to exist
     end
   end
 
@@ -46,23 +46,23 @@ describe ".bundle/config" do
     it "is the default" do
       bundle "config foo global"
       run "puts Bundler.settings[:foo]"
-      out.should == "global"
+      expect(out).to eq("global")
     end
 
     it "can also be set explicitly" do
       bundle "config --global foo global"
       run "puts Bundler.settings[:foo]"
-      out.should == "global"
+      expect(out).to eq("global")
     end
 
     it "has lower precedence than local" do
       bundle "config --local  foo local"
 
       bundle "config --global foo global"
-      out.should =~ /Your application has set foo to "local"/
+      expect(out).to match(/Your application has set foo to "local"/)
 
       run "puts Bundler.settings[:foo]"
-      out.should == "local"
+      expect(out).to eq("local")
     end
 
     it "has lower precedence than env" do
@@ -70,10 +70,10 @@ describe ".bundle/config" do
         ENV["BUNDLE_FOO"] = "env"
 
         bundle "config --global foo global"
-        out.should =~ /You have a bundler environment variable for foo set to "env"/
+        expect(out).to match(/You have a bundler environment variable for foo set to "env"/)
 
         run "puts Bundler.settings[:foo]"
-        out.should == "env"
+        expect(out).to eq("env")
       ensure
         ENV.delete("BUNDLE_FOO")
       end
@@ -84,16 +84,16 @@ describe ".bundle/config" do
       bundle "config --delete foo"
 
       run "puts Bundler.settings[:foo] == nil"
-      out.should == "true"
+      expect(out).to eq("true")
     end
 
     it "warns when overriding" do
       bundle "config --global foo previous"
       bundle "config --global foo global"
-      out.should =~ /You are replacing the current global value of foo/
+      expect(out).to match(/You are replacing the current global value of foo/)
 
       run "puts Bundler.settings[:foo]"
-      out.should == "global"
+      expect(out).to eq("global")
     end
   end
 
@@ -103,7 +103,7 @@ describe ".bundle/config" do
     it "can also be set explicitly" do
       bundle "config --local foo local"
       run "puts Bundler.settings[:foo]"
-      out.should == "local"
+      expect(out).to eq("local")
     end
 
     it "has higher precedence than env" do
@@ -112,7 +112,7 @@ describe ".bundle/config" do
         bundle "config --local foo local"
 
         run "puts Bundler.settings[:foo]"
-        out.should == "local"
+        expect(out).to eq("local")
       ensure
         ENV.delete("BUNDLE_FOO")
       end
@@ -123,16 +123,16 @@ describe ".bundle/config" do
       bundle "config --delete foo"
 
       run "puts Bundler.settings[:foo] == nil"
-      out.should == "true"
+      expect(out).to eq("true")
     end
 
     it "warns when overriding" do
       bundle "config --local foo previous"
       bundle "config --local foo local"
-      out.should =~ /You are replacing the current local value of foo/
+      expect(out).to match(/You are replacing the current local value of foo/)
 
       run "puts Bundler.settings[:foo]"
-      out.should == "local"
+      expect(out).to eq("local")
     end
   end
-end
\ No newline at end of file
+end
diff --git a/spec/other/console_spec.rb b/spec/other/console_spec.rb
index 254c059b7b..b72883a01c 100644
--- a/spec/other/console_spec.rb
+++ b/spec/other/console_spec.rb
@@ -15,7 +15,7 @@ describe "bundle console" do
       input.puts("puts RACK")
       input.puts("exit")
     end
-    out.should include("0.9.1")
+    expect(out).to include("0.9.1")
   end
 
   it "doesn't load any other groups" do
@@ -23,7 +23,7 @@ describe "bundle console" do
       input.puts("puts ACTIVESUPPORT")
       input.puts("exit")
     end
-    out.should include("NameError")
+    expect(out).to include("NameError")
   end
 
   describe "when given a group" do
@@ -32,7 +32,7 @@ describe "bundle console" do
         input.puts("puts ACTIVESUPPORT")
         input.puts("exit")
       end
-      out.should include("2.3.5")
+      expect(out).to include("2.3.5")
     end
 
     it "loads the default group" do
@@ -40,7 +40,7 @@ describe "bundle console" do
         input.puts("puts RACK")
         input.puts("exit")
       end
-      out.should include("0.9.1")
+      expect(out).to include("0.9.1")
     end
 
     it "doesn't load other groups" do
@@ -48,7 +48,7 @@ describe "bundle console" do
         input.puts("puts RACK_MIDDLEWARE")
         input.puts("exit")
       end
-      out.should include("NameError")
+      expect(out).to include("NameError")
     end
   end
 end
diff --git a/spec/other/exec_spec.rb b/spec/other/exec_spec.rb
index 30a96a8315..34f8478bfb 100644
--- a/spec/other/exec_spec.rb
+++ b/spec/other/exec_spec.rb
@@ -11,7 +11,7 @@ describe "bundle exec" do
     G
 
     bundle "exec rackup"
-    out.should == "0.9.1"
+    expect(out).to eq("0.9.1")
   end
 
   it "works when the bins are in ~/.bundle" do
@@ -20,7 +20,7 @@ describe "bundle exec" do
     G
 
     bundle "exec rackup"
-    out.should == "1.0.0"
+    expect(out).to eq("1.0.0")
   end
 
   it "works when running from a random directory" do
@@ -30,13 +30,13 @@ describe "bundle exec" do
 
     bundle "exec 'cd #{tmp('gems')} && rackup'"
 
-    out.should == "1.0.0"
+    expect(out).to eq("1.0.0")
   end
 
   it "works when exec'ing something else" do
     install_gemfile 'gem "rack"'
     bundle "exec echo exec"
-    out.should == "exec"
+    expect(out).to eq("exec")
   end
 
   it "handles different versions in different bundles" do
@@ -60,11 +60,11 @@ describe "bundle exec" do
 
     bundle "exec rackup"
 
-    out.should eq("0.9.1")
+    expect(out).to eq("0.9.1")
 
     Dir.chdir bundled_app2 do
       bundle "exec rackup"
-      out.should == "1.0.0"
+      expect(out).to eq("1.0.0")
     end
   end
 
@@ -80,7 +80,7 @@ describe "bundle exec" do
 
     bundle "exec rackup"
 
-    out.should eq("0.9.1")
+    expect(out).to eq("0.9.1")
     should_not_be_installed "rack_middleware 1.0"
   end
 
@@ -93,10 +93,10 @@ describe "bundle exec" do
     rubyopt = "-I#{bundler_path} -rbundler/setup #{rubyopt}"
 
     bundle "exec 'echo $RUBYOPT'"
-    out.should have_rubyopts(rubyopt)
+    expect(out).to have_rubyopts(rubyopt)
 
     bundle "exec 'echo $RUBYOPT'", :env => {"RUBYOPT" => rubyopt}
-    out.should have_rubyopts(rubyopt)
+    expect(out).to have_rubyopts(rubyopt)
   end
 
   it "errors nicely when the argument doesn't exist" do
@@ -105,9 +105,9 @@ describe "bundle exec" do
     G
 
     bundle "exec foobarbaz", :exitstatus => true
-    exitstatus.should eq(127)
-    out.should include("bundler: command not found: foobarbaz")
-    out.should include("Install missing gem executables with `bundle install`")
+    expect(exitstatus).to eq(127)
+    expect(out).to include("bundler: command not found: foobarbaz")
+    expect(out).to include("Install missing gem executables with `bundle install`")
   end
 
   it "errors nicely when the argument is not executable" do
@@ -117,8 +117,8 @@ describe "bundle exec" do
 
     bundle "exec touch foo"
     bundle "exec ./foo", :exitstatus => true
-    exitstatus.should eq(126)
-    out.should include("bundler: not executable: ./foo")
+    expect(exitstatus).to eq(126)
+    expect(out).to include("bundler: not executable: ./foo")
   end
 
   it "errors nicely when no arguments are passed" do
@@ -128,7 +128,7 @@ describe "bundle exec" do
 
     bundle "exec", :exitstatus => true
     # exitstatus.should eq(128)
-    out.should include("bundler: exec needs a command to run")
+    expect(out).to include("bundler: exec needs a command to run")
   end
 
   describe "with gem executables" do
@@ -141,14 +141,14 @@ describe "bundle exec" do
 
       it "works when unlocked" do
         bundle "exec 'cd #{tmp('gems')} && rackup'"
-        out.should == "1.0.0"
+        expect(out).to eq("1.0.0")
       end
 
       it "works when locked" do
         bundle "lock"
         should_be_locked
         bundle "exec 'cd #{tmp('gems')} && rackup'"
-        out.should == "1.0.0"
+        expect(out).to eq("1.0.0")
       end
     end
 
@@ -165,7 +165,7 @@ describe "bundle exec" do
 
       it "works when unlocked" do
         bundle "exec fizz"
-        out.should == "1.0"
+        expect(out).to eq("1.0")
       end
 
       it "works when locked" do
@@ -173,7 +173,7 @@ describe "bundle exec" do
         should_be_locked
 
         bundle "exec fizz"
-        out.should == "1.0"
+        expect(out).to eq("1.0")
       end
     end
 
@@ -190,14 +190,14 @@ describe "bundle exec" do
 
       it "works when unlocked" do
         bundle "exec fizz_git"
-        out.should == "1.0"
+        expect(out).to eq("1.0")
       end
 
       it "works when locked" do
         bundle "lock"
         should_be_locked
         bundle "exec fizz_git"
-        out.should == "1.0"
+        expect(out).to eq("1.0")
       end
     end
 
@@ -214,14 +214,14 @@ describe "bundle exec" do
 
       it "works when unlocked" do
         bundle "exec fizz_no_gemspec"
-        out.should == "1.0"
+        expect(out).to eq("1.0")
       end
 
       it "works when locked" do
         bundle "lock"
         should_be_locked
         bundle "exec fizz_no_gemspec"
-        out.should == "1.0"
+        expect(out).to eq("1.0")
       end
     end
 
diff --git a/spec/other/ext_spec.rb b/spec/other/ext_spec.rb
index ff6864ef48..1509bc5f52 100644
--- a/spec/other/ext_spec.rb
+++ b/spec/other/ext_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe "Gem::Specification#match_platform" do
   it "does not match platforms other than the gem platform" do
     darwin = gem "lol", "1.0", "platform_specific-1.0-x86-darwin-10"
-    darwin.match_platform(pl('java')).should be_false
+    expect(darwin.match_platform(pl('java'))).to be_false
   end
 end
 
@@ -11,7 +11,7 @@ describe "Bundler::GemHelpers#generic" do
   include Bundler::GemHelpers
 
   it "converts non-windows platforms into ruby" do
-    generic(pl('x86-darwin-10')).should == pl('ruby')
+    expect(generic(pl('x86-darwin-10'))).to eq(pl('ruby'))
   end
 end
 
@@ -34,4 +34,4 @@ describe "Gem::SourceIndex#refresh!" do
     run "Gem.source_index.refresh!"
     run "Gem::SourceIndex.from_gems_in([]).refresh!"
   end
-end
\ No newline at end of file
+end
diff --git a/spec/other/help_spec.rb b/spec/other/help_spec.rb
index 4896fd44bb..068aad2039 100644
--- a/spec/other/help_spec.rb
+++ b/spec/other/help_spec.rb
@@ -7,33 +7,33 @@ describe "bundle help" do
     system_gems "bundler-0.8.1"
 
     bundle "help", :expect_err => true
-    err.should include("Please remove Bundler 0.8 versions.")
-    err.should include("This can be done by running `gem cleanup bundler`.")
+    expect(err).to include("Please remove Bundler 0.8 versions.")
+    expect(err).to include("This can be done by running `gem cleanup bundler`.")
   end
 
   it "uses groff when available" do
     fake_groff!
 
     bundle "help gemfile"
-    out.should == %|["-Wall", "-mtty-char", "-mandoc", "-Tascii", "#{root}/lib/bundler/man/gemfile.5"]|
+    expect(out).to eq(%|["-Wall", "-mtty-char", "-mandoc", "-Tascii", "#{root}/lib/bundler/man/gemfile.5"]|)
   end
 
   it "prefixes bundle commands with bundle- when finding the groff files" do
     fake_groff!
 
     bundle "help install"
-    out.should == %|["-Wall", "-mtty-char", "-mandoc", "-Tascii", "#{root}/lib/bundler/man/bundle-install"]|
+    expect(out).to eq(%|["-Wall", "-mtty-char", "-mandoc", "-Tascii", "#{root}/lib/bundler/man/bundle-install"]|)
   end
 
   it "simply outputs the txt file when there is no groff on the path" do
     kill_path!
 
     bundle "help install", :expect_err => true
-    out.should =~ /BUNDLE-INSTALL/
+    expect(out).to match(/BUNDLE-INSTALL/)
   end
 
   it "still outputs the old help for commands that do not have man pages yet" do
     bundle "help check"
-    out.should include("Check searches the local machine")
+    expect(out).to include("Check searches the local machine")
   end
 end
diff --git a/spec/other/init_spec.rb b/spec/other/init_spec.rb
index 0b9f447021..1c686461e6 100644
--- a/spec/other/init_spec.rb
+++ b/spec/other/init_spec.rb
@@ -3,7 +3,7 @@ require "spec_helper"
 describe "bundle init" do
   it "generates a Gemfile" do
     bundle :init
-    bundled_app("Gemfile").should exist
+    expect(bundled_app("Gemfile")).to exist
   end
 
   it "does not change existing Gemfiles" do
@@ -11,9 +11,9 @@ describe "bundle init" do
       gem "rails"
     G
 
-    lambda {
+    expect {
       bundle :init
-    }.should_not change { File.read(bundled_app("Gemfile")) }
+    }.not_to change { File.read(bundled_app("Gemfile")) }
   end
 
   it "should generate from an existing gemspec" do
@@ -31,10 +31,10 @@ describe "bundle init" do
     bundle :init, :gemspec => spec_file
 
     gemfile = bundled_app("Gemfile").read
-    gemfile.should =~ /source :gemcutter/
-    gemfile.scan(/gem "rack", "= 1.0.1"/).size.should eq(1)
-    gemfile.scan(/gem "rspec", "= 1.2"/).size.should eq(1)
-    gemfile.scan(/group :development/).size.should eq(1)
+    expect(gemfile).to match(/source :gemcutter/)
+    expect(gemfile.scan(/gem "rack", "= 1.0.1"/).size).to eq(1)
+    expect(gemfile.scan(/gem "rspec", "= 1.2"/).size).to eq(1)
+    expect(gemfile.scan(/group :development/).size).to eq(1)
   end
 
-end
\ No newline at end of file
+end
diff --git a/spec/other/newgem_spec.rb b/spec/other/newgem_spec.rb
index e994c7279d..501f8cfa2a 100644
--- a/spec/other/newgem_spec.rb
+++ b/spec/other/newgem_spec.rb
@@ -19,30 +19,30 @@ describe "bundle gem" do
   let(:generated_gem) { Bundler::GemHelper.new(bundled_app("test-gem").to_s) }
 
   it "generates a gem skeleton" do
-    bundled_app("test-gem/test-gem.gemspec").should exist
-    bundled_app("test-gem/LICENSE.txt").should exist
-    bundled_app("test-gem/Gemfile").should exist
-    bundled_app("test-gem/Rakefile").should exist
-    bundled_app("test-gem/lib/test-gem.rb").should exist
-    bundled_app("test-gem/lib/test-gem/version.rb").should exist
+    expect(bundled_app("test-gem/test-gem.gemspec")).to exist
+    expect(bundled_app("test-gem/LICENSE.txt")).to exist
+    expect(bundled_app("test-gem/Gemfile")).to exist
+    expect(bundled_app("test-gem/Rakefile")).to exist
+    expect(bundled_app("test-gem/lib/test-gem.rb")).to exist
+    expect(bundled_app("test-gem/lib/test-gem/version.rb")).to exist
   end
 
   it "starts with version 0.0.1" do
-    bundled_app("test-gem/lib/test-gem/version.rb").read.should =~ /VERSION = "0.0.1"/
+    expect(bundled_app("test-gem/lib/test-gem/version.rb").read).to match(/VERSION = "0.0.1"/)
   end
 
   it "nests constants so they work" do
-    bundled_app("test-gem/lib/test-gem/version.rb").read.should =~ /module Test\n  module Gem/
-    bundled_app("test-gem/lib/test-gem.rb").read.should =~ /module Test\n  module Gem/
+    expect(bundled_app("test-gem/lib/test-gem/version.rb").read).to match(/module Test\n  module Gem/)
+    expect(bundled_app("test-gem/lib/test-gem.rb").read).to match(/module Test\n  module Gem/)
   end
 
   context "git config user.{name,email} present" do
     it "sets gemspec author to git user.name if available" do
-      generated_gem.gemspec.authors.first.should == "Bundler User"
+      expect(generated_gem.gemspec.authors.first).to eq("Bundler User")
     end
 
     it "sets gemspec email to git user.email if available" do
-      generated_gem.gemspec.email.first.should == "user@example.com"
+      expect(generated_gem.gemspec.email.first).to eq("user@example.com")
     end
   end
 
@@ -56,20 +56,20 @@ describe "bundle gem" do
     end
 
     it "sets gemspec author to default message if git user.name is not set or empty" do
-      generated_gem.gemspec.authors.first.should == "TODO: Write your name"
+      expect(generated_gem.gemspec.authors.first).to eq("TODO: Write your name")
     end
 
     it "sets gemspec email to default message if git user.email is not set or empty" do
-      generated_gem.gemspec.email.first.should == "TODO: Write your email address"
+      expect(generated_gem.gemspec.email.first).to eq("TODO: Write your email address")
     end
   end
 
   it "sets gemspec license to MIT by default" do
-    generated_gem.gemspec.license.should == "MIT"
+    expect(generated_gem.gemspec.license).to eq("MIT")
   end
 
   it "requires the version file" do
-    bundled_app("test-gem/lib/test-gem.rb").read.should =~ /require "test-gem\/version"/
+    expect(bundled_app("test-gem/lib/test-gem.rb").read).to match(/require "test-gem\/version"/)
   end
 
   it "runs rake without problems" do
@@ -86,7 +86,7 @@ RAKEFILE
 
     Dir.chdir(bundled_app("test-gem")) do
       sys_exec("rake")
-      out.should include("SUCCESS")
+      expect(out).to include("SUCCESS")
     end
   end
 end
diff --git a/spec/other/open_spec.rb b/spec/other/open_spec.rb
index cf58cc673d..6a601943ed 100644
--- a/spec/other/open_spec.rb
+++ b/spec/other/open_spec.rb
@@ -10,31 +10,31 @@ describe "bundle open" do
 
   it "opens the gem with BUNDLER_EDITOR as highest priority" do
     bundle "open rails", :env => {"EDITOR" => "echo editor", "VISUAL" => "echo visual", "BUNDLER_EDITOR" => "echo bundler_editor"}
-    out.should == "bundler_editor #{default_bundle_path('gems', 'rails-2.3.2')}"
+    expect(out).to eq("bundler_editor #{default_bundle_path('gems', 'rails-2.3.2')}")
   end
 
   it "opens the gem with VISUAL as 2nd highest priority" do
     bundle "open rails", :env => {"EDITOR" => "echo editor", "VISUAL" => "echo visual", "BUNDLER_EDITOR" => ""}
-    out.should == "visual #{default_bundle_path('gems', 'rails-2.3.2')}"
+    expect(out).to eq("visual #{default_bundle_path('gems', 'rails-2.3.2')}")
   end
 
   it "opens the gem with EDITOR as 3rd highest priority" do
     bundle "open rails", :env => {"EDITOR" => "echo editor", "VISUAL" => "", "BUNDLER_EDITOR" => ""}
-    out.should == "editor #{default_bundle_path('gems', 'rails-2.3.2')}"
+    expect(out).to eq("editor #{default_bundle_path('gems', 'rails-2.3.2')}")
   end
 
   it "complains if no EDITOR is set" do
     bundle "open rails", :env => {"EDITOR" => "", "VISUAL" => "", "BUNDLER_EDITOR" => ""}
-    out.should == "To open a bundled gem, set $EDITOR or $BUNDLER_EDITOR"
+    expect(out).to eq("To open a bundled gem, set $EDITOR or $BUNDLER_EDITOR")
   end
 
   it "complains if gem not in bundle" do
     bundle "open missing", :env => {"EDITOR" => "echo editor", "VISUAL" => "", "BUNDLER_EDITOR" => ""}
-    out.should match(/could not find gem 'missing'/i)
+    expect(out).to match(/could not find gem 'missing'/i)
   end
 
   it "suggests alternatives for similar-sounding gems" do
     bundle "open Rails", :env => {"EDITOR" => "echo editor", "VISUAL" => "", "BUNDLER_EDITOR" => ""}
-    out.should match(/did you mean rails\?/i)
+    expect(out).to match(/did you mean rails\?/i)
   end
 end
diff --git a/spec/other/outdated_spec.rb b/spec/other/outdated_spec.rb
index af38f30e44..4eab6b61b8 100644
--- a/spec/other/outdated_spec.rb
+++ b/spec/other/outdated_spec.rb
@@ -22,8 +22,8 @@ describe "bundle outdated" do
       end
 
       bundle "outdated"
-      out.should include("activesupport (3.0 > 2.3.5)")
-      out.should include("foo (1.0")
+      expect(out).to include("activesupport (3.0 > 2.3.5)")
+      expect(out).to include("foo (1.0")
     end
   end
 
@@ -32,7 +32,7 @@ describe "bundle outdated" do
       FileUtils.rm_rf(gem_repo2)
 
       bundle "outdated --local"
-      out.should_not match(/Fetching/)
+      expect(out).not_to match(/Fetching/)
     end
   end
 
@@ -44,8 +44,8 @@ describe "bundle outdated" do
       end
 
       bundle "outdated foo"
-      out.should_not include("activesupport (3.0 > 2.3.5)")
-      out.should include("foo (1.0")
+      expect(out).not_to include("activesupport (3.0 > 2.3.5)")
+      expect(out).to include("foo (1.0")
     end
   end
 
@@ -57,7 +57,7 @@ describe "bundle outdated" do
         end
 
         bundle "outdated"
-        out.should_not include("activesupport (3.0.0.beta > 2.3.5)")
+        expect(out).not_to include("activesupport (3.0.0.beta > 2.3.5)")
       end
     end
 
@@ -68,7 +68,7 @@ describe "bundle outdated" do
         end
 
         bundle "outdated --pre"
-        out.should include("activesupport (3.0.0.beta > 2.3.5)")
+        expect(out).to include("activesupport (3.0.0.beta > 2.3.5)")
       end
     end
 
@@ -85,7 +85,7 @@ describe "bundle outdated" do
         G
 
         bundle "outdated"
-        out.should include("activesupport (3.0.0.beta.2 > 3.0.0.beta.1)")
+        expect(out).to include("activesupport (3.0.0.beta.2 > 3.0.0.beta.1)")
       end
     end
   end
diff --git a/spec/other/platform_spec.rb b/spec/other/platform_spec.rb
index 9bc786f27b..625c961c1d 100644
--- a/spec/other/platform_spec.rb
+++ b/spec/other/platform_spec.rb
@@ -12,7 +12,7 @@ describe "bundle platform" do
       G
 
       bundle "platform"
-      out.should == <<-G.chomp
+      expect(out).to eq(<<-G.chomp)
 Your platform is: #{RUBY_PLATFORM}
 
 Your app has gems that work on these platforms:
@@ -33,7 +33,7 @@ G
       G
 
       bundle "platform"
-      out.should == <<-G.chomp
+      expect(out).to eq(<<-G.chomp)
 Your platform is: #{RUBY_PLATFORM}
 
 Your app has gems that work on these platforms:
@@ -53,7 +53,7 @@ G
       G
 
       bundle "platform"
-      out.should == <<-G.chomp
+      expect(out).to eq(<<-G.chomp)
 Your platform is: #{RUBY_PLATFORM}
 
 Your app has gems that work on these platforms:
@@ -78,7 +78,7 @@ G
 
       bundle "platform --ruby"
 
-      out.should eq("ruby 1.9.3")
+      expect(out).to eq("ruby 1.9.3")
     end
 
     it "engine defaults to MRI" do
@@ -91,7 +91,7 @@ G
 
       bundle "platform --ruby"
 
-      out.should eq("ruby 1.9.3")
+      expect(out).to eq("ruby 1.9.3")
     end
 
     it "handles jruby" do
@@ -104,7 +104,7 @@ G
 
       bundle "platform --ruby"
 
-      out.should eq("ruby 1.8.7 (jruby 1.6.5)")
+      expect(out).to eq("ruby 1.8.7 (jruby 1.6.5)")
     end
 
     it "handles rbx" do
@@ -117,7 +117,7 @@ G
 
       bundle "platform --ruby"
 
-      out.should eq("ruby 1.8.7 (rbx 1.2.4)")
+      expect(out).to eq("ruby 1.8.7 (rbx 1.2.4)")
     end
 
     it "raises an error if engine is used but engine version is not" do
@@ -130,7 +130,7 @@ G
 
       bundle "platform", :exitstatus => true
 
-      exitstatus.should_not == 0
+      expect(exitstatus).not_to eq(0)
     end
 
     it "raises an error if engine_version is used but engine is not" do
@@ -143,7 +143,7 @@ G
 
       bundle "platform", :exitstatus => true
 
-      exitstatus.should_not == 0
+      expect(exitstatus).not_to eq(0)
     end
 
     it "raises an error if engine version doesn't match ruby version for mri" do
@@ -156,7 +156,7 @@ G
 
       bundle "platform", :exitstatus => true
 
-      exitstatus.should_not == 0
+      expect(exitstatus).not_to eq(0)
     end
   end
 
@@ -167,18 +167,18 @@ G
   let(:engine_version_incorrect) { "ruby \"#{RUBY_VERSION}\", :engine => \"#{local_ruby_engine}\", :engine_version => \"#{not_local_engine_version}\"" }
 
   def should_be_ruby_version_incorrect(opts = {:exitstatus => true})
-    exitstatus.should eq(18) if opts[:exitstatus]
-    out.should be_include("Your Ruby version is #{RUBY_VERSION}, but your Gemfile specified #{not_local_ruby_version}")
+    expect(exitstatus).to eq(18) if opts[:exitstatus]
+    expect(out).to be_include("Your Ruby version is #{RUBY_VERSION}, but your Gemfile specified #{not_local_ruby_version}")
   end
 
   def should_be_engine_incorrect(opts = {:exitstatus => true})
-    exitstatus.should eq(18) if opts[:exitstatus]
-    out.should be_include("Your Ruby engine is #{local_ruby_engine}, but your Gemfile specified #{not_local_tag}")
+    expect(exitstatus).to eq(18) if opts[:exitstatus]
+    expect(out).to be_include("Your Ruby engine is #{local_ruby_engine}, but your Gemfile specified #{not_local_tag}")
   end
 
   def should_be_engine_version_incorrect(opts = {:exitstatus => true})
-    exitstatus.should eq(18) if opts[:exitstatus]
-    out.should be_include("Your #{local_ruby_engine} version is #{local_engine_version}, but your Gemfile specified #{local_ruby_engine} #{not_local_engine_version}")
+    expect(exitstatus).to eq(18) if opts[:exitstatus]
+    expect(out).to be_include("Your #{local_ruby_engine} version is #{local_engine_version}, but your Gemfile specified #{local_ruby_engine} #{not_local_engine_version}")
   end
 
   context "bundle install" do
@@ -190,7 +190,7 @@ G
         #{ruby_version_correct}
       G
 
-      bundled_app('Gemfile.lock').should exist
+      expect(bundled_app('Gemfile.lock')).to exist
     end
 
     it "installs fine with any engine" do
@@ -202,7 +202,7 @@ G
           #{ruby_version_correct_engineless}
         G
 
-        bundled_app('Gemfile.lock').should exist
+        expect(bundled_app('Gemfile.lock')).to exist
       end
     end
 
@@ -214,7 +214,7 @@ G
         #{ruby_version_incorrect}
       G
 
-      bundled_app('Gemfile.lock').should_not exist
+      expect(bundled_app('Gemfile.lock')).not_to exist
       should_be_ruby_version_incorrect
     end
 
@@ -226,7 +226,7 @@ G
         #{engine_incorrect}
       G
 
-      bundled_app('Gemfile.lock').should_not exist
+      expect(bundled_app('Gemfile.lock')).not_to exist
       should_be_engine_incorrect
     end
 
@@ -239,7 +239,7 @@ G
           #{engine_version_incorrect}
         G
 
-        bundled_app('Gemfile.lock').should_not exist
+        expect(bundled_app('Gemfile.lock')).not_to exist
         should_be_engine_version_incorrect
       end
     end
@@ -260,8 +260,8 @@ G
       G
 
       bundle :check, :exitstatus => true
-      exitstatus.should eq(0)
-      out.should == "The Gemfile's dependencies are satisfied"
+      expect(exitstatus).to eq(0)
+      expect(out).to eq("The Gemfile's dependencies are satisfied")
     end
 
     it "checks fine with any engine" do
@@ -279,8 +279,8 @@ G
         G
 
         bundle :check, :exitstatus => true
-        exitstatus.should eq(0)
-        out.should == "The Gemfile's dependencies are satisfied"
+        expect(exitstatus).to eq(0)
+        expect(out).to eq("The Gemfile's dependencies are satisfied")
       end
     end
 
@@ -451,7 +451,7 @@ G
       G
 
       bundle "show rails"
-      out.should == default_bundle_path('gems', 'rails-2.3.2').to_s
+      expect(out).to eq(default_bundle_path('gems', 'rails-2.3.2').to_s)
     end
 
     it "prints path if ruby version is correct for any engine" do
@@ -464,7 +464,7 @@ G
         G
 
         bundle "show rails"
-        out.should == default_bundle_path('gems', 'rails-2.3.2').to_s
+        expect(out).to eq(default_bundle_path('gems', 'rails-2.3.2').to_s)
       end
     end
 
@@ -524,7 +524,7 @@ G
       G
 
       bundle :cache
-      bundled_app("vendor/cache/rack-1.0.0.gem").should exist
+      expect(bundled_app("vendor/cache/rack-1.0.0.gem")).to exist
     end
 
     it "copies the .gem file to vendor/cache when ruby version matches for any engine" do
@@ -536,7 +536,7 @@ G
         G
 
         bundle :cache
-        bundled_app("vendor/cache/rack-1.0.0.gem").should exist
+        expect(bundled_app("vendor/cache/rack-1.0.0.gem")).to exist
       end
     end
 
@@ -593,7 +593,7 @@ G
       G
 
       bundle :pack
-      bundled_app("vendor/cache/rack-1.0.0.gem").should exist
+      expect(bundled_app("vendor/cache/rack-1.0.0.gem")).to exist
     end
 
     it "copies the .gem file to vendor/cache when ruby version matches any engine" do
@@ -605,7 +605,7 @@ G
         G
 
         bundle :pack
-        bundled_app("vendor/cache/rack-1.0.0.gem").should exist
+        expect(bundled_app("vendor/cache/rack-1.0.0.gem")).to exist
       end
     end
 
@@ -658,7 +658,7 @@ G
       G
 
       bundle "exec rackup"
-      out.should == "0.9.1"
+      expect(out).to eq("0.9.1")
     end
 
     it "activates the correct gem when ruby version matches any engine" do
@@ -670,7 +670,7 @@ G
         G
 
         bundle "exec rackup"
-        out.should == "0.9.1"
+        expect(out).to eq("0.9.1")
       end
     end
 
@@ -734,7 +734,7 @@ G
         input.puts("puts RACK")
         input.puts("exit")
       end
-      out.should include("0.9.1")
+      expect(out).to include("0.9.1")
     end
 
     it "starts IRB with the default group loaded when ruby version matches any engine" do
@@ -752,7 +752,7 @@ G
           input.puts("puts RACK")
           input.puts("exit")
         end
-        out.should include("0.9.1")
+        expect(out).to include("0.9.1")
       end
     end
 
@@ -824,7 +824,7 @@ G
       FileUtils.rm(bundled_app("Gemfile.lock"))
 
       run "1"
-      bundled_app("Gemfile.lock").should exist
+      expect(bundled_app("Gemfile.lock")).to exist
     end
 
     it "makes a Gemfile.lock if setup succeeds for any engine" do
@@ -842,7 +842,7 @@ G
         FileUtils.rm(bundled_app("Gemfile.lock"))
 
         run "1"
-        bundled_app("Gemfile.lock").should exist
+        expect(bundled_app("Gemfile.lock")).to exist
       end
     end
 
@@ -870,7 +870,7 @@ G
         end
       R
 
-      bundled_app("Gemfile.lock").should_not exist
+      expect(bundled_app("Gemfile.lock")).not_to exist
       should_be_ruby_version_incorrect(:exitstatus => false)
     end
 
@@ -898,7 +898,7 @@ G
         end
       R
 
-      bundled_app("Gemfile.lock").should_not exist
+      expect(bundled_app("Gemfile.lock")).not_to exist
       should_be_engine_incorrect(:exitstatus => false)
     end
 
@@ -927,7 +927,7 @@ G
           end
         R
 
-        bundled_app("Gemfile.lock").should_not exist
+        expect(bundled_app("Gemfile.lock")).not_to exist
         should_be_engine_version_incorrect(:exitstatus => false)
       end
     end
@@ -961,8 +961,8 @@ G
       G
 
       bundle "outdated"
-      out.should include("activesupport (3.0 > 2.3.5)")
-      out.should include("foo (1.0")
+      expect(out).to include("activesupport (3.0 > 2.3.5)")
+      expect(out).to include("foo (1.0")
     end
 
     it "returns list of outdated gems when the ruby version matches for any engine" do
@@ -981,8 +981,8 @@ G
         G
 
         bundle "outdated"
-        out.should include("activesupport (3.0 > 2.3.5)")
-        out.should include("foo (1.0")
+        expect(out).to include("activesupport (3.0 > 2.3.5)")
+        expect(out).to include("foo (1.0")
       end
     end
 
diff --git a/spec/other/show_spec.rb b/spec/other/show_spec.rb
index d14114e801..a44b330cd0 100644
--- a/spec/other/show_spec.rb
+++ b/spec/other/show_spec.rb
@@ -13,7 +13,7 @@ describe "bundle show" do
 
     bundle "show"
 
-    bundled_app("Gemfile.lock").should exist
+    expect(bundled_app("Gemfile.lock")).to exist
   end
 
   it "creates a Gemfile.lock when invoked with a gem name" do
@@ -21,28 +21,28 @@ describe "bundle show" do
 
     bundle "show rails"
 
-    bundled_app("Gemfile.lock").should exist
+    expect(bundled_app("Gemfile.lock")).to exist
   end
 
   it "prints path if gem exists in bundle" do
     bundle "show rails"
-    out.should == default_bundle_path('gems', 'rails-2.3.2').to_s
+    expect(out).to eq(default_bundle_path('gems', 'rails-2.3.2').to_s)
   end
 
   it "prints the path to the running bundler" do
     bundle "show bundler"
-    out.should == File.expand_path('../../../', __FILE__)
+    expect(out).to eq(File.expand_path('../../../', __FILE__))
   end
 
   it "complains if gem not in bundle" do
     bundle "show missing"
-    out.should =~ /could not find gem 'missing'/i
+    expect(out).to match(/could not find gem 'missing'/i)
   end
 
   it "prints path of all gems in bundle" do
     bundle "show --paths"
-    out.should include(default_bundle_path('gems', 'rake-0.8.7').to_s)
-    out.should include(default_bundle_path('gems', 'rails-2.3.2').to_s)
+    expect(out).to include(default_bundle_path('gems', 'rake-0.8.7').to_s)
+    expect(out).to include(default_bundle_path('gems', 'rails-2.3.2').to_s)
   end
 end
 
@@ -58,7 +58,7 @@ describe "bundle show with a git repo" do
     should_be_installed "foo 1.0"
 
     bundle :show
-    out.should include("foo (1.0 #{@git.ref_for('master', 6)}")
+    expect(out).to include("foo (1.0 #{@git.ref_for('master', 6)}")
   end
 
   it "prints out branch names other than master" do
@@ -73,7 +73,7 @@ describe "bundle show with a git repo" do
     should_be_installed "foo 1.0.omg"
 
     bundle :show
-    out.should include("foo (1.0 #{@git.ref_for('omg', 6)}")
+    expect(out).to include("foo (1.0 #{@git.ref_for('omg', 6)}")
   end
 
   it "doesn't print the branch when tied to a ref" do
@@ -83,6 +83,6 @@ describe "bundle show with a git repo" do
     G
 
     bundle :show
-    out.should include("foo (1.0 #{sha[0..6]})")
+    expect(out).to include("foo (1.0 #{sha[0..6]})")
   end
 end
diff --git a/spec/quality_spec.rb b/spec/quality_spec.rb
index f7b5984233..32ce2d99a5 100644
--- a/spec/quality_spec.rb
+++ b/spec/quality_spec.rb
@@ -47,13 +47,13 @@ describe "The library itself" do
         error_messages << check_for_extra_spaces(filename)
       end
     end
-    error_messages.compact.should be_well_formed
+    expect(error_messages.compact).to be_well_formed
   end
 
   it "can still be built" do
     Dir.chdir(root) do
       `gem build bundler.gemspec`
-      $?.should eq(0)
+      expect($?).to eq(0)
 
       # clean up the .gem generated
       system("rm bundler-#{Bundler::VERSION}.gem")
diff --git a/spec/realworld/edgecases_spec.rb b/spec/realworld/edgecases_spec.rb
index 7ae37f570e..e444e3b948 100644
--- a/spec/realworld/edgecases_spec.rb
+++ b/spec/realworld/edgecases_spec.rb
@@ -7,7 +7,7 @@ describe "real world edgecases", :realworld => true do
       source :rubygems
       gem "linecache", "0.46"
     G
-    err.should eq("")
+    expect(err).to eq("")
   end
 
   # https://github.com/carlhuda/bundler/issues/1202
@@ -18,7 +18,7 @@ describe "real world edgecases", :realworld => true do
       gem "will_paginate", "3.0.pre2"
     G
     bundle :cache
-    out.should_not include("Removing outdated .gem files from vendor/cache")
+    expect(out).not_to include("Removing outdated .gem files from vendor/cache")
   end
 
   # https://github.com/carlhuda/bundler/issues/1486
@@ -32,7 +32,7 @@ describe "real world edgecases", :realworld => true do
       gem 'activerecord', '~> 3.0'
       gem 'builder', '~> 2.1.2'
     G
-    out.should include("activemodel (3.0.5)")
+    expect(out).to include("activemodel (3.0.5)")
   end
 
   # https://github.com/carlhuda/bundler/issues/1500
@@ -45,8 +45,8 @@ describe "real world edgecases", :realworld => true do
     G
 
     bundle "install --path vendor/bundle", :expect_err => true
-    err.should_not include("Could not find rake")
-    err.should be_empty
+    expect(err).not_to include("Could not find rake")
+    expect(err).to be_empty
   end
 
   it "checks out git repos when the lockfile is corrupted" do
@@ -172,6 +172,6 @@ describe "real world edgecases", :realworld => true do
     L
 
     bundle :install, :exitstatus => true
-    exitstatus.should == 0
+    expect(exitstatus).to eq(0)
   end
 end
diff --git a/spec/runtime/executable_spec.rb b/spec/runtime/executable_spec.rb
index 4c71d39d6f..bafa6310c7 100644
--- a/spec/runtime/executable_spec.rb
+++ b/spec/runtime/executable_spec.rb
@@ -16,34 +16,34 @@ describe "Running bin/* commands" do
     end
 
     gembin "rackup"
-    out.should == "1.0.0"
+    expect(out).to eq("1.0.0")
   end
 
   it "allows the location of the gem stubs to be specified" do
     bundle "install --binstubs gbin"
 
-    bundled_app("bin").should_not exist
-    bundled_app("gbin/rackup").should exist
+    expect(bundled_app("bin")).not_to exist
+    expect(bundled_app("gbin/rackup")).to exist
 
     gembin bundled_app("gbin/rackup")
-    out.should == "1.0.0"
+    expect(out).to eq("1.0.0")
   end
 
   it "allows absolute paths as a specification of where to install bin stubs" do
     bundle "install --binstubs #{tmp}/bin"
 
     gembin tmp("bin/rackup")
-    out.should == "1.0.0"
+    expect(out).to eq("1.0.0")
   end
 
   it "uses the default ruby install name when shebang is not specified" do
    bundle "install --binstubs"
-   File.open("bin/rackup").gets.should == "#!/usr/bin/env #{RbConfig::CONFIG['ruby_install_name']}\n"
+   expect(File.open("bin/rackup").gets).to eq("#!/usr/bin/env #{RbConfig::CONFIG['ruby_install_name']}\n")
   end
 
   it "allows the name of the shebang executable to be specified" do
     bundle "install --binstubs --shebang ruby-foo"
-    File.open("bin/rackup").gets.should == "#!/usr/bin/env ruby-foo\n"
+    expect(File.open("bin/rackup").gets).to eq("#!/usr/bin/env ruby-foo\n")
   end
 
   it "runs the bundled command when out of the bundle" do
@@ -55,7 +55,7 @@ describe "Running bin/* commands" do
 
     Dir.chdir(tmp) do
       gembin "rackup"
-      out.should == "1.0.0"
+      expect(out).to eq("1.0.0")
     end
   end
 
@@ -75,7 +75,7 @@ describe "Running bin/* commands" do
     end
 
     gembin "rackup"
-    out.should == '1.0'
+    expect(out).to eq('1.0')
   end
 
   it "don't bundle da bundla" do
@@ -90,13 +90,13 @@ describe "Running bin/* commands" do
 
     bundle "install --binstubs"
 
-    bundled_app("bin/bundle").should_not exist
+    expect(bundled_app("bin/bundle")).not_to exist
   end
 
   it "does not generate bin stubs if the option was not specified" do
     bundle "install"
 
-    bundled_app("bin/rackup").should_not exist
+    expect(bundled_app("bin/rackup")).not_to exist
   end
 
   it "remembers that the option was specified" do
@@ -115,6 +115,6 @@ describe "Running bin/* commands" do
 
     bundle "install"
 
-    bundled_app("bin/rackup").should exist
+    expect(bundled_app("bin/rackup")).to exist
   end
-end
\ No newline at end of file
+end
diff --git a/spec/runtime/load_spec.rb b/spec/runtime/load_spec.rb
index 45e1f6702a..086145d46d 100644
--- a/spec/runtime/load_spec.rb
+++ b/spec/runtime/load_spec.rb
@@ -21,34 +21,34 @@ describe "Bundler.load" do
     end
 
     it "provides a list of the env dependencies" do
-      Bundler.load.dependencies.should have_dep("rack", ">= 0")
+      expect(Bundler.load.dependencies).to have_dep("rack", ">= 0")
     end
 
     it "provides a list of the resolved gems" do
-      Bundler.load.gems.should have_gem("rack-1.0.0", "bundler-#{Bundler::VERSION}")
+      expect(Bundler.load.gems).to have_gem("rack-1.0.0", "bundler-#{Bundler::VERSION}")
     end
 
     it "ignores blank BUNDLE_GEMFILEs" do
-      lambda {
+      expect {
         ENV['BUNDLE_GEMFILE'] = ""
         Bundler.load
-      }.should_not raise_error(Bundler::GemfileNotFound)
+      }.not_to raise_error(Bundler::GemfileNotFound)
     end
 
   end
 
   describe "without a gemfile" do
     it "raises an exception if the default gemfile is not found" do
-      lambda {
+      expect {
         Bundler.load
-      }.should raise_error(Bundler::GemfileNotFound, /could not locate gemfile/i)
+      }.to raise_error(Bundler::GemfileNotFound, /could not locate gemfile/i)
     end
 
     it "raises an exception if a specified gemfile is not found" do
-      lambda {
+      expect {
         ENV['BUNDLE_GEMFILE'] = "omg.rb"
         Bundler.load
-      }.should raise_error(Bundler::GemfileNotFound, /omg\.rb/)
+      }.to raise_error(Bundler::GemfileNotFound, /omg\.rb/)
     end
 
     it "does not find a Gemfile above the testing directory" do
@@ -58,7 +58,7 @@ describe "Bundler.load" do
         @remove_bundler_gemfile = true
       end
       begin
-        lambda { Bundler.load }.should raise_error(Bundler::GemfileNotFound)
+        expect { Bundler.load }.to raise_error(Bundler::GemfileNotFound)
       ensure
         bundler_gemfile.rmtree if @remove_bundler_gemfile
       end
@@ -86,7 +86,7 @@ describe "Bundler.load" do
         end
       RUBY
 
-      out.split("\n").should == ["1.0.0", "no activesupport"]
+      expect(out.split("\n")).to eq(["1.0.0", "no activesupport"])
     end
   end
 
@@ -98,8 +98,8 @@ describe "Bundler.load" do
       G
 
       Bundler.load.specs.each do |spec|
-        spec.to_yaml.should_not =~ /^\s+source:/
-        spec.to_yaml.should_not =~ /^\s+groups:/
+        expect(spec.to_yaml).not_to match(/^\s+source:/)
+        expect(spec.to_yaml).not_to match(/^\s+groups:/)
       end
     end
   end
diff --git a/spec/runtime/platform_spec.rb b/spec/runtime/platform_spec.rb
index dc6c796517..1f9e2ec7c6 100644
--- a/spec/runtime/platform_spec.rb
+++ b/spec/runtime/platform_spec.rb
@@ -29,7 +29,7 @@ describe "Bundler.setup with multi platform stuff" do
       end
     R
 
-    out.should == "WIN"
+    expect(out).to eq("WIN")
   end
 
   it "will resolve correctly on the current platform when the lockfile was targetted for a different one" do
diff --git a/spec/runtime/require_spec.rb b/spec/runtime/require_spec.rb
index 342deb8c73..349696606b 100644
--- a/spec/runtime/require_spec.rb
+++ b/spec/runtime/require_spec.rb
@@ -48,32 +48,32 @@ describe "Bundler.require" do
   it "requires the gems" do
     # default group
     run "Bundler.require"
-    out.should eq("two")
+    expect(out).to eq("two")
 
     # specific group
     run "Bundler.require(:bar)"
-    out.should eq("baz\nqux")
+    expect(out).to eq("baz\nqux")
 
     # default and specific group
     run "Bundler.require(:default, :bar)"
-    out.should eq("baz\nqux\ntwo")
+    expect(out).to eq("baz\nqux\ntwo")
 
     # specific group given as a string
     run "Bundler.require('bar')"
-    out.should eq("baz\nqux")
+    expect(out).to eq("baz\nqux")
 
     # specific group declared as a string
     run "Bundler.require(:string)"
-    out.should eq("six")
+    expect(out).to eq("six")
 
     # required in resolver order instead of gemfile order
     run("Bundler.require(:not)")
-    out.split("\n").sort.should == ['seven', 'three']
+    expect(out.split("\n").sort).to eq(['seven', 'three'])
   end
 
   it "allows requiring gems with non standard names explicitly" do
     run "Bundler.require ; require 'mofive'"
-    out.should == "two\nfive"
+    expect(out).to eq("two\nfive")
   end
 
   it "raises an exception if a require is specified but the file does not exist" do
@@ -86,7 +86,7 @@ describe "Bundler.require" do
       Bundler.require
     R
 
-    err.should == "ZOMG LOAD ERROR"
+    expect(err).to eq("ZOMG LOAD ERROR")
   end
 
   describe "with namespaced gems" do
@@ -104,7 +104,7 @@ describe "Bundler.require" do
       G
 
       run "Bundler.require"
-      out.should eq("jquery/rails")
+      expect(out).to eq("jquery/rails")
     end
 
     it "silently passes if the require fails" do
@@ -122,7 +122,7 @@ describe "Bundler.require" do
       RUBY
       ruby(cmd, :expect_err => true)
 
-      err.should be_empty
+      expect(err).to be_empty
     end
 
     it "does not mangle explictly given requires" do
@@ -134,7 +134,7 @@ describe "Bundler.require" do
       load_error_run <<-R, 'jquery-rails'
         Bundler.require
       R
-      err.should == "ZOMG LOAD ERROR"
+      expect(err).to eq("ZOMG LOAD ERROR")
     end
 
     it "handles the case where regex fails" do
@@ -156,20 +156,20 @@ describe "Bundler.require" do
       RUBY
       run(cmd, :expect_err => true)
 
-      err.should == "ZOMG LOAD ERROR"
+      expect(err).to eq("ZOMG LOAD ERROR")
     end
   end
 
   describe "using bundle exec" do
     it "requires the locked gems" do
       bundle "exec ruby -e 'Bundler.require'"
-      out.should eq("two")
+      expect(out).to eq("two")
 
       bundle "exec ruby -e 'Bundler.require(:bar)'"
-      out.should eq("baz\nqux")
+      expect(out).to eq("baz\nqux")
 
       bundle "exec ruby -e 'Bundler.require(:default, :bar)'"
-      out.should == "baz\nqux\ntwo"
+      expect(out).to eq("baz\nqux\ntwo")
     end
   end
 
@@ -206,7 +206,7 @@ describe "Bundler.require" do
       G
 
       run "Bundler.require"
-      out.should eq("two\nmodule_two\none")
+      expect(out).to eq("two\nmodule_two\none")
     end
 
     describe "a gem with different requires for different envs" do
@@ -224,17 +224,17 @@ describe "Bundler.require" do
 
       it "requires both with Bundler.require(both)" do
         run "Bundler.require(:one, :two)"
-        out.should == "ONE\nTWO"
+        expect(out).to eq("ONE\nTWO")
       end
 
       it "requires one with Bundler.require(:one)" do
         run "Bundler.require(:one)"
-        out.should == "ONE"
+        expect(out).to eq("ONE")
       end
 
       it "requires :two with Bundler.require(:two)" do
         run "Bundler.require(:two)"
-        out.should == "TWO"
+        expect(out).to eq("TWO")
       end
     end
 
@@ -246,7 +246,7 @@ describe "Bundler.require" do
       G
 
       run "Bundler.require"
-      out.should eq("two_not_loaded\none\ntwo")
+      expect(out).to eq("two_not_loaded\none\ntwo")
     end
 
     describe "with busted gems" do
@@ -262,7 +262,7 @@ describe "Bundler.require" do
         load_error_run <<-R, 'no_such_file_omg'
           Bundler.require
         R
-        err.should == 'ZOMG LOAD ERROR'
+        expect(err).to eq('ZOMG LOAD ERROR')
       end
     end
   end
@@ -281,7 +281,7 @@ describe "Bundler.require with platform specific dependencies" do
     G
 
     run "Bundler.require", :expect_err => true
-    err.should be_empty
+    expect(err).to be_empty
   end
 
   it "requires gems pinned to multiple platforms, including the current one" do
@@ -295,7 +295,7 @@ describe "Bundler.require with platform specific dependencies" do
 
     run "Bundler.require; puts RACK", :expect_err => true
 
-    out.should eq("1.0.0")
-    err.should be_empty
+    expect(out).to eq("1.0.0")
+    expect(err).to be_empty
   end
 end
diff --git a/spec/runtime/setup_spec.rb b/spec/runtime/setup_spec.rb
index fc935a8b13..e1a85f72bc 100644
--- a/spec/runtime/setup_spec.rb
+++ b/spec/runtime/setup_spec.rb
@@ -16,8 +16,8 @@ describe "Bundler.setup" do
         require 'rack'
         puts RACK
       RUBY
-      err.should eq("")
-      out.should eq("1.0.0")
+      expect(err).to eq("")
+      expect(out).to eq("1.0.0")
     end
   end
 
@@ -42,8 +42,8 @@ describe "Bundler.setup" do
           puts "WIN"
         end
       RUBY
-      err.should eq("")
-      out.should eq("WIN")
+      expect(err).to eq("")
+      expect(out).to eq("WIN")
     end
 
     it "leaves all groups available if they were already" do
@@ -56,8 +56,8 @@ describe "Bundler.setup" do
         require 'rack'
         puts RACK
       RUBY
-      err.should eq("")
-      out.should eq("1.0.0")
+      expect(err).to eq("")
+      expect(out).to eq("1.0.0")
     end
 
     it "leaves :default available if setup is called twice" do
@@ -74,8 +74,8 @@ describe "Bundler.setup" do
           puts "FAIL"
         end
       RUBY
-      err.should eq("")
-      out.should match("WIN")
+      expect(err).to eq("")
+      expect(out).to match("WIN")
     end
   end
 
@@ -97,7 +97,7 @@ describe "Bundler.setup" do
       end
     R
 
-    out.should == "WIN"
+    expect(out).to eq("WIN")
   end
 
   it "doesn't create a Gemfile.lock if the setup fails" do
@@ -113,7 +113,7 @@ describe "Bundler.setup" do
       Bundler.setup
     R
 
-    bundled_app("Gemfile.lock").should_not exist
+    expect(bundled_app("Gemfile.lock")).not_to exist
   end
 
   it "doesn't change the Gemfile.lock if the setup fails" do
@@ -137,7 +137,7 @@ describe "Bundler.setup" do
       Bundler.setup
     R
 
-    File.read(bundled_app("Gemfile.lock")).should == lockfile
+    expect(File.read(bundled_app("Gemfile.lock"))).to eq(lockfile)
   end
 
   it "makes a Gemfile.lock if setup succeeds" do
@@ -151,7 +151,7 @@ describe "Bundler.setup" do
     FileUtils.rm(bundled_app("Gemfile.lock"))
 
     run "1"
-    bundled_app("Gemfile.lock").should exist
+    expect(bundled_app("Gemfile.lock")).to exist
   end
 
   it "uses BUNDLE_GEMFILE to locate the gemfile if present" do
@@ -204,7 +204,7 @@ describe "Bundler.setup" do
           end
         R
 
-        out.should == "WIN"
+        expect(out).to eq("WIN")
       end
 
       it "version_requirement is now deprecated in rubygems 1.4.0+ when gem is missing" do
@@ -217,7 +217,7 @@ describe "Bundler.setup" do
           end
         R
 
-        err.should be_empty
+        expect(err).to be_empty
       end
 
       it "replaces #gem but raises when the version is wrong" do
@@ -230,7 +230,7 @@ describe "Bundler.setup" do
           end
         R
 
-        out.should == "WIN"
+        expect(out).to eq("WIN")
       end
 
       it "version_requirement is now deprecated in rubygems 1.4.0+ when the version is wrong" do
@@ -243,7 +243,7 @@ describe "Bundler.setup" do
           end
         R
 
-        err.should be_empty
+        expect(err).to be_empty
       end
     end
 
@@ -258,14 +258,14 @@ describe "Bundler.setup" do
 
       it "removes system gems from Gem.source_index" do
         run "require 'yard'"
-        out.should == "bundler-#{Bundler::VERSION}\nyard-1.0"
+        expect(out).to eq("bundler-#{Bundler::VERSION}\nyard-1.0")
       end
 
       context "when the ruby stdlib is a substring of Gem.path" do
         it "does not reject the stdlib from $LOAD_PATH" do
           substring = "/" + $LOAD_PATH.find{|p| p =~ /vendor_ruby/ }.split("/")[2]
           run "puts 'worked!'", :env => {"GEM_PATH" => substring}
-          out.should == "worked!"
+          expect(out).to eq("worked!")
         end
       end
     end
@@ -286,7 +286,7 @@ describe "Bundler.setup" do
       G
 
       run "require 'rack'"
-      out.should == "WIN"
+      expect(out).to eq("WIN")
     end
   end
 
@@ -301,7 +301,7 @@ describe "Bundler.setup" do
 
     it "provides a useful exception when the git repo is not checked out yet" do
       run "1", :expect_err => true
-      err.should include("#{lib_path('rack-1.0.0')} (at master) is not checked out. Please run `bundle install`")
+      expect(err).to include("#{lib_path('rack-1.0.0')} (at master) is not checked out. Please run `bundle install`")
     end
 
     it "does not hit the git binary if the lockfile is available and up to date" do
@@ -321,7 +321,7 @@ describe "Bundler.setup" do
         end
       R
 
-      out.should == "WIN"
+      expect(out).to eq("WIN")
     end
 
     it "provides a good exception if the lockfile is unavailable" do
@@ -345,7 +345,7 @@ describe "Bundler.setup" do
 
       run "puts 'FAIL'", :expect_err => true
 
-      err.should_not include "This is not the git you are looking for"
+      expect(err).not_to include "This is not the git you are looking for"
     end
 
     it "works even when the cache directory has been deleted" do
@@ -387,11 +387,11 @@ describe "Bundler.setup" do
 
       bundle %|config local.rack #{lib_path('local-rack')}|
       bundle :install
-      out.should =~ /at #{lib_path('local-rack')}/
+      expect(out).to match(/at #{lib_path('local-rack')}/)
 
       FileUtils.rm_rf(lib_path('local-rack'))
       run "require 'rack'"
-      err.should =~ /Cannot use local override for rack-0.8 because #{Regexp.escape(lib_path('local-rack').to_s)} does not exist/
+      expect(err).to match(/Cannot use local override for rack-0.8 because #{Regexp.escape(lib_path('local-rack').to_s)} does not exist/)
     end
 
     it "explodes if branch is not given on runtime" do
@@ -406,7 +406,7 @@ describe "Bundler.setup" do
 
       bundle %|config local.rack #{lib_path('local-rack')}|
       bundle :install
-      out.should =~ /at #{lib_path('local-rack')}/
+      expect(out).to match(/at #{lib_path('local-rack')}/)
 
       gemfile <<-G
         source "file://#{gem_repo1}"
@@ -414,7 +414,7 @@ describe "Bundler.setup" do
       G
 
       run "require 'rack'"
-      err.should =~ /because :branch is not specified in Gemfile/
+      expect(err).to match(/because :branch is not specified in Gemfile/)
     end
 
     it "explodes on different branches on runtime" do
@@ -429,7 +429,7 @@ describe "Bundler.setup" do
 
       bundle %|config local.rack #{lib_path('local-rack')}|
       bundle :install
-      out.should =~ /at #{lib_path('local-rack')}/
+      expect(out).to match(/at #{lib_path('local-rack')}/)
 
       gemfile <<-G
         source "file://#{gem_repo1}"
@@ -437,7 +437,7 @@ describe "Bundler.setup" do
       G
 
       run "require 'rack'"
-      err.should =~ /is using branch master but Gemfile specifies changed/
+      expect(err).to match(/is using branch master but Gemfile specifies changed/)
     end
 
     it "explodes on refs with different branches on runtime" do
@@ -457,7 +457,7 @@ describe "Bundler.setup" do
 
       bundle %|config local.rack #{lib_path('local-rack')}|
       run "require 'rack'"
-      err.should =~ /is using branch master but Gemfile specifies nonexistant/
+      expect(err).to match(/is using branch master but Gemfile specifies nonexistant/)
     end
   end
 
@@ -537,7 +537,7 @@ describe "Bundler.setup" do
           end
         R
 
-        out.should == "You have already activated thin 1.1, but your Gemfile requires thin 1.0. Using bundle exec may solve this."
+        expect(out).to == "You have already activated thin 1.1, but your Gemfile requires thin 1.0. Using bundle exec may solve this."
       end
 
       it "version_requirement is now deprecated in rubygems 1.4.0+" do
@@ -562,7 +562,7 @@ describe "Bundler.setup" do
           end
         R
 
-        err.should be_empty
+        expect(err).to be_empty
       end
     end
   end
@@ -585,7 +585,7 @@ describe "Bundler.setup" do
       end
     R
 
-    out.should be_empty
+    expect(out).to be_empty
   end
 
   it "ignores empty gem paths" do
@@ -597,7 +597,7 @@ describe "Bundler.setup" do
     ENV["GEM_HOME"] = ""
     bundle %{exec ruby -e "require 'set'"}
 
-    err.should be_empty
+    expect(err).to be_empty
   end
 
   it "should prepend gemspec require paths to $LOAD_PATH in order" do
@@ -615,7 +615,7 @@ describe "Bundler.setup" do
     G
 
     run "require 'rq'"
-    out.should == "yay"
+    expect(out).to eq("yay")
   end
 
   it "ignores Gem.refresh" do
@@ -631,7 +631,7 @@ describe "Bundler.setup" do
       puts Bundler.rubygems.find_name("rack").inspect
     R
 
-    out.should == "[]"
+    expect(out).to eq("[]")
   end
 
   describe "when a vendored gem specification uses the :path option" do
@@ -652,7 +652,7 @@ describe "Bundler.setup" do
           require 'foo'
         R
       end
-      err.should == ""
+      expect(err).to eq("")
     end
 
     it "should make sure the Bundler.root is really included in the path relative to the Gemfile" do
@@ -677,7 +677,7 @@ describe "Bundler.setup" do
         R
       end
 
-      err.should == ""
+      expect(err).to eq("")
     end
   end
 
@@ -696,7 +696,7 @@ describe "Bundler.setup" do
         puts NOGEMSPEC
       R
 
-      out.should == "1.0"
+      expect(out).to eq("1.0")
     end
   end
 
@@ -722,7 +722,7 @@ describe "Bundler.setup" do
         end
       R
 
-      out.should == "WIN"
+      expect(out).to eq("WIN")
     end
 
     it "provides a gem method" do
@@ -732,7 +732,7 @@ describe "Bundler.setup" do
         puts ACTIVESUPPORT
       R
 
-      out.should == "2.3.5"
+      expect(out).to eq("2.3.5")
     end
 
     it "raises an exception if gem is used to invoke a system gem not in the bundle" do
@@ -744,12 +744,12 @@ describe "Bundler.setup" do
         end
       R
 
-      out.should == "rack is not part of the bundle. Add it to Gemfile."
+      expect(out).to eq("rack is not part of the bundle. Add it to Gemfile.")
     end
 
     it "sets GEM_HOME appropriately" do
       run "puts ENV['GEM_HOME']"
-      out.should == default_bundle_path.to_s
+      expect(out).to eq(default_bundle_path.to_s)
     end
   end
 
@@ -767,8 +767,8 @@ describe "Bundler.setup" do
     it "sets GEM_PATH appropriately" do
       run "puts Gem.path"
       paths = out.split("\n")
-      paths.should include(system_gem_path.to_s)
-      paths.should include(default_bundle_path.to_s)
+      expect(paths).to include(system_gem_path.to_s)
+      expect(paths).to include(default_bundle_path.to_s)
     end
   end
 
@@ -798,7 +798,7 @@ describe "Bundler.setup" do
     it "evals each gemspec in the context of its parent directory" do
       bundle :install
       run "require 'bar'; puts BAR"
-      out.should == "1.0"
+      expect(out).to eq("1.0")
     end
 
     it "error intelligently if the gemspec has a LoadError" do
@@ -806,10 +806,10 @@ describe "Bundler.setup" do
         s.write "bar.gemspec", "require 'foobarbaz'"
       end
       bundle :install
-      out.should include("was a LoadError while evaluating bar.gemspec")
-      out.should include("foobarbaz")
-      out.should include("bar.gemspec:1")
-      out.should include("try to require a relative path") if RUBY_VERSION >= "1.9"
+      expect(out).to include("was a LoadError while evaluating bar.gemspec")
+      expect(out).to include("foobarbaz")
+      expect(out).to include("bar.gemspec:1")
+      expect(out).to include("try to require a relative path") if RUBY_VERSION >= "1.9"
     end
 
     it "evals each gemspec with a binding from the top level" do
@@ -823,8 +823,8 @@ describe "Bundler.setup" do
         Bundler.load
       RUBY
 
-      err.should eq("")
-      out.should eq("")
+      expect(err).to eq("")
+      expect(out).to eq("")
     end
   end
 
@@ -835,7 +835,7 @@ describe "Bundler.setup" do
       G
 
       bundle %|exec ruby -e "require 'bundler'; Bundler.setup"|
-      err.should be_empty
+      expect(err).to be_empty
     end
   end
 
diff --git a/spec/runtime/with_clean_env_spec.rb b/spec/runtime/with_clean_env_spec.rb
index 0b5cc76616..7a77db0b4d 100644
--- a/spec/runtime/with_clean_env_spec.rb
+++ b/spec/runtime/with_clean_env_spec.rb
@@ -7,10 +7,10 @@ describe "Bundler.with_env helpers" do
       gem_path = ENV['GEM_PATH']
 
       Bundler.with_clean_env do
-        `echo $GEM_PATH`.strip.should_not == gem_path
+        expect(`echo $GEM_PATH`.strip).not_to eq(gem_path)
       end
 
-      ENV['GEM_PATH'].should == gem_path
+      expect(ENV['GEM_PATH']).to eq(gem_path)
     end
   end
 
@@ -34,12 +34,12 @@ describe "Bundler.with_env helpers" do
              "end"
 
       result = bundle "exec ruby -e #{code.inspect}"
-      result.should == "true"
+      expect(result).to eq("true")
     end
 
     it "should not pass any bundler environment variables" do
       Bundler.with_clean_env do
-        `echo $BUNDLE_PATH`.strip.should_not == './Gemfile'
+        expect(`echo $BUNDLE_PATH`.strip).not_to eq('./Gemfile')
       end
     end
 
@@ -48,15 +48,15 @@ describe "Bundler.with_env helpers" do
       Bundler::ORIGINAL_ENV['RUBYOPT'] = " -I#{lib_path} -rbundler/setup"
 
       Bundler.with_clean_env do
-        `echo $RUBYOPT`.strip.should_not include '-rbundler/setup'
-        `echo $RUBYOPT`.strip.should_not include "-I#{lib_path}"
+        expect(`echo $RUBYOPT`.strip).not_to include '-rbundler/setup'
+        expect(`echo $RUBYOPT`.strip).not_to include "-I#{lib_path}"
       end
 
-      Bundler::ORIGINAL_ENV['RUBYOPT'].should == " -I#{lib_path} -rbundler/setup"
+      expect(Bundler::ORIGINAL_ENV['RUBYOPT']).to eq(" -I#{lib_path} -rbundler/setup")
     end
 
     it "should not change ORIGINAL_ENV" do
-      Bundler::ORIGINAL_ENV['BUNDLE_PATH'].should == './Gemfile'
+      expect(Bundler::ORIGINAL_ENV['BUNDLE_PATH']).to eq('./Gemfile')
     end
 
   end
@@ -67,7 +67,7 @@ describe "Bundler.with_env helpers" do
 
     it "should pass bundler environment variables set before Bundler was run" do
       Bundler.with_original_env do
-        `echo $BUNDLE_PATH`.strip.should == './Gemfile'
+        expect(`echo $BUNDLE_PATH`.strip).to eq('./Gemfile')
       end
     end
   end
@@ -75,7 +75,7 @@ describe "Bundler.with_env helpers" do
   describe "Bundler.clean_system" do
     it "runs system inside with_clean_env" do
       Bundler.clean_system(%{echo 'if [ "$BUNDLE_PATH" = "" ]; then exit 42; else exit 1; fi' | /bin/sh})
-      $?.exitstatus.should == 42
+      expect($?.exitstatus).to eq(42)
     end
   end
 
@@ -85,7 +85,7 @@ describe "Bundler.with_env helpers" do
         Bundler.clean_exec(%{echo 'if [ "$BUNDLE_PATH" = "" ]; then exit 42; else exit 1; fi' | /bin/sh})
       end
       Process.wait(pid)
-      $?.exitstatus.should == 42
+      expect($?.exitstatus).to eq(42)
     end
   end
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8528b20e01..ac27547704 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -71,6 +71,10 @@ RSpec.configure do |config|
     pending "JRuby executables do not have a proper shebang" if RUBY_PLATFORM == "java"
   end
 
+  config.expect_with :rspec do |c|
+    c.syntax = :expect
+  end
+
   config.before :all do
     build_repo1
   end
diff --git a/spec/support/indexes.rb b/spec/support/indexes.rb
index f33501c8b2..ece7fd0479 100644
--- a/spec/support/indexes.rb
+++ b/spec/support/indexes.rb
@@ -26,7 +26,7 @@ module Spec
     def should_resolve_as(specs)
       got = resolve
       got = got.map { |s| s.full_name }.sort
-      got.should == specs.sort
+      expect(got).to eq(specs.sort)
     end
 
     def should_conflict_on(names)
@@ -34,7 +34,7 @@ module Spec
         got = resolve
         flunk "The resolve succeeded with: #{got.map { |s| s.full_name }.sort.inspect}"
       rescue Bundler::VersionConflict => e
-        Array(names).sort.should == e.conflicts.sort
+        expect(Array(names).sort).to eq(e.conflicts.sort)
       end
     end
 
@@ -109,4 +109,4 @@ module Spec
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/spec/support/matchers.rb b/spec/support/matchers.rb
index 361a03304e..e42c67be57 100644
--- a/spec/support/matchers.rb
+++ b/spec/support/matchers.rb
@@ -35,8 +35,8 @@ module Spec
         version_const = name == 'bundler' ? 'Bundler::VERSION' : Spec::Builders.constantize(name)
         run "require '#{name}.rb'; puts #{version_const}", *groups
         actual_version, actual_platform = out.split(/\s+/)
-        Gem::Version.new(actual_version).should eq(Gem::Version.new(version))
-        actual_platform.should == platform
+        expect(Gem::Version.new(actual_version)).to eq(Gem::Version.new(version))
+        expect(actual_platform).to eq(platform)
       end
     end
 
@@ -56,22 +56,22 @@ module Spec
           end
         R
         if version.nil? || out == "WIN"
-          out.should == "WIN"
+          expect(out).to eq("WIN")
         else
-          Gem::Version.new(out).should_not == Gem::Version.new(version)
+          expect(Gem::Version.new(out)).not_to eq(Gem::Version.new(version))
         end
       end
     end
 
     def should_be_locked
-      bundled_app("Gemfile.lock").should exist
+      expect(bundled_app("Gemfile.lock")).to exist
     end
 
     def lockfile_should_be(expected)
       should_be_locked
       spaces = expected[/\A\s+/, 0] || ""
       expected.gsub!(/^#{spaces}/, '')
-      bundled_app("Gemfile.lock").read.should == expected
+      expect(bundled_app("Gemfile.lock").read).to eq(expected)
     end
   end
 end
diff --git a/spec/update/gems_spec.rb b/spec/update/gems_spec.rb
index 210f48c6d0..d94f4e0560 100644
--- a/spec/update/gems_spec.rb
+++ b/spec/update/gems_spec.rb
@@ -29,19 +29,19 @@ describe "bundle update" do
         exit!
       G
       bundle "update"
-      bundled_app("Gemfile.lock").should exist
+      expect(bundled_app("Gemfile.lock")).to exist
     end
   end
 
   describe "--quiet argument" do
     it 'shows UI messages without --quiet argument' do
       bundle "update"
-      out.should include("Fetching source")
+      expect(out).to include("Fetching source")
     end
 
     it 'does not show UI messages with --quiet argument' do
       bundle "update --quiet"
-      out.should_not include("Fetching source")
+      expect(out).not_to include("Fetching source")
     end
   end
 
@@ -59,11 +59,11 @@ describe "bundle update" do
   describe "with a unknown dependency" do
     it "should inform the user" do
       bundle "update halting-problem-solver", :expect_err=>true
-      out.should include "Could not find gem 'halting-problem-solver'"
+      expect(out).to include "Could not find gem 'halting-problem-solver'"
     end
     it "should suggest alternatives" do
       bundle "update active-support", :expect_err=>true
-      out.should include "Did you mean activesupport?"
+      expect(out).to include "Did you mean activesupport?"
     end
   end
 
@@ -72,7 +72,7 @@ describe "bundle update" do
       FileUtils.rm_rf(gem_repo2)
 
       bundle "update --local"
-      out.should_not match(/Fetching source index/)
+      expect(out).not_to match(/Fetching source index/)
     end
   end
 end
@@ -133,13 +133,13 @@ describe "bundle update when a gem depends on a newer version of bundler" do
 
   it "should not explode" do
     bundle "update"
-    err.should be_empty
+    expect(err).to be_empty
   end
 
   it "should explain that bundler conflicted" do
     bundle "update"
-    out.should_not =~ /in snapshot/i
-    out.should =~ /current Bundler version/i
-    out.should =~ /perhaps you need to update bundler/i
+    expect(out).not_to match(/in snapshot/i)
+    expect(out).to match(/current Bundler version/i)
+    expect(out).to match(/perhaps you need to update bundler/i)
   end
 end
diff --git a/spec/update/git_spec.rb b/spec/update/git_spec.rb
index cd15b5c568..37a0b04b25 100644
--- a/spec/update/git_spec.rb
+++ b/spec/update/git_spec.rb
@@ -32,7 +32,7 @@ describe "bundle update" do
       G
 
       bundle "update rails"
-      out.should include("Using activesupport (3.0) from #{lib_path('rails')} (at master)")
+      expect(out).to include("Using activesupport (3.0) from #{lib_path('rails')} (at master)")
       should_be_installed "rails 3.0", "activesupport 3.0"
     end
 
@@ -89,9 +89,9 @@ describe "bundle update" do
         gem "foo", "1.0", :git => "#{lib_path('foo_two')}"
       G
 
-      err.should be_empty
-      out.should include("Fetching #{lib_path}/foo_two")
-      out.should include("Your bundle is complete!")
+      expect(err).to be_empty
+      expect(out).to include("Fetching #{lib_path}/foo_two")
+      expect(out).to include("Your bundle is complete!")
     end
 
 
@@ -114,7 +114,7 @@ describe "bundle update" do
       G
 
       bundle "update", :exitstatus => true
-      exitstatus.should == 0
+      expect(exitstatus).to eq(0)
     end
 
     describe "with submodules" do
@@ -145,7 +145,7 @@ describe "bundle update" do
         G
 
         run "require 'submodule'"
-        out.should eq('GEM')
+        expect(out).to eq('GEM')
 
         install_gemfile <<-G
           git "#{lib_path('has_submodule-1.0')}", :submodules => true do
@@ -154,7 +154,7 @@ describe "bundle update" do
         G
 
         run "require 'submodule'"
-        out.should == 'GIT'
+        expect(out).to eq('GIT')
       end
 
       it "it unlocks the source when submodules is removed from git source" do
@@ -166,7 +166,7 @@ describe "bundle update" do
         G
 
         run "require 'submodule'"
-        out.should eq('GIT')
+        expect(out).to eq('GIT')
 
         install_gemfile <<-G
           git "#{lib_path('has_submodule-1.0')}" do
@@ -175,7 +175,7 @@ describe "bundle update" do
         G
 
         run "require 'submodule'"
-        out.should == 'GEM'
+        expect(out).to eq('GEM')
       end
     end
 
@@ -189,7 +189,7 @@ describe "bundle update" do
       lib_path("foo-1.0").join(".git").rmtree
 
       bundle :update, :expect_err => true
-      out.should include(lib_path("foo-1.0").to_s)
+      expect(out).to include(lib_path("foo-1.0").to_s)
     end
 
   end
diff --git a/spec/update/source_spec.rb b/spec/update/source_spec.rb
index 6e4d1b327d..6134c7700c 100644
--- a/spec/update/source_spec.rb
+++ b/spec/update/source_spec.rb
@@ -28,7 +28,7 @@ describe "bundle update" do
           puts "WIN" if defined?(FOO_PREV_REF)
         RUBY
 
-        out.should == "WIN"
+        expect(out).to eq("WIN")
       end
     end