diff --git a/Gemfile b/Gemfile
index ffcb1b61..290f4251 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,6 +6,7 @@ gem "hoe-ignore"
 gem "rdoc"
 gem "rake-compiler"
 gem "rack"
+gem "test-unit", "~> 3.0"
 
 gem 'minitest', '~> 4.0'
 
@@ -14,4 +15,3 @@ gem "jruby-openssl", :platform => "jruby"
 platforms :rbx do
   gem 'rubysl', '~> 2.0'
 end
-