diff --git a/Gemfile b/Gemfile
index 4b43f65..f78787f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,2 +1,4 @@
+source :rubygems
+
 gem 'jasmine-headless-webkit', :git => 'git://github.com/johnbintz/jasmine-headless-webkit.git'
 gem 'rake', '0.9.2'