Gemfile in mongoid_i18n-0.5.0 vs Gemfile in mongoid_i18n-0.5.1

@@ -1,10 +1,10 @@
 source :gemcutter
 
 gem "mongoid", '>= 2.1.0'
-gem "bson_ext"
 
 group :development, :test do
+  gem "bson_ext"
   gem "rspec"
   gem "mocha"
   gem "jeweler"
   gem "bundler"
 end
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