diff --git a/Gemfile b/Gemfile
index 1c59df6..1d40dce 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,7 @@ source 'http://rubygems.org'
 
 gem 'rails', '3.1.3'
 gem "ember-rails", :git => "git://github.com/emberjs/ember-rails.git"
+gem 'ember-source', '1.0.0.rc6.2'
 gem 'sqlite3'
 
 # Gems used only for assets and not required