diff --git a/Gemfile b/Gemfile
index 806f409..76a89a1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -88,6 +88,8 @@ group :development do
 end
 
 group :test do
+  gem "minitest"
+  gem "test-unit", "~> 3.0"
   gem "shoulda", "~> 3.3.2"
   gem "shoulda-matchers", "1.4.1"
   gem "mocha", "~> 1.0.0", :require => 'mocha/api'