1 files changed, 1 insertions, 1 deletions
diff --git a/Gemfile b/Gemfile
index b65ae2ffcf..eff46bb579 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem "activesupport", :group => :compat_testing, :platform => "ruby"
 gem "ronn"
 
 group(:development, :test) do
-  gem 'rack'
+  gem 'rack', "~> 1.5.1"
 
   gem 'ruby-shadow', :platforms => :ruby unless RUBY_PLATFORM.downcase.match(/(darwin|freebsd)/)
 #  gem 'awesome_print'