Remove load of psych during gem builds and bump snakeyaml to 1.18.

Fixes #293.

Fixes jruby/jruby#4492.

1 files changed, 1 insertions, 3 deletions

diff --git a/Rakefile b/Rakefile
index 5238b7a..a72ca50 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,5 +1,3 @@
-$LOAD_PATH.unshift './lib'
-load 'psych/versions.rb'
 require "bundler/gem_tasks"
 require "rake/testtask"
 
@@ -19,7 +17,7 @@ if RUBY_PLATFORM =~ /java/
     # and tell maven via system properties the snakeyaml version
     # this is basically the same as running from the commandline:
     # rmvn dependency:build-classpath -Dsnakeyaml.version='use version from Psych::DEFAULT_SNAKEYAML_VERSION here'
-    Maven::Ruby::Maven.new.exec('dependency:build-classpath', "-Dsnakeyaml.version=1.17", '-Dverbose=true')
+    Maven::Ruby::Maven.new.exec('dependency:build-classpath', "-Dsnakeyaml.version=1.18", '-Dverbose=true')
     ext.source_version = '1.7'
     ext.target_version = '1.7'
     ext.classpath = File.read('pkg/classpath')