diff --git a/test/gemfiles/Gemfile.rails-3.0.x b/test/gemfiles/Gemfile.rails-3.0.x
index 180ec92..a38d344 100644
--- a/test/gemfiles/Gemfile.rails-3.0.x
+++ b/test/gemfiles/Gemfile.rails-3.0.x
@@ -1,4 +1,4 @@
-source :rubygems
+source 'http://rubygems.org'
 gemspec :path => "./../.."
 
 gem "actionpack", "~> 3.0.0"