diff --git a/Gemfile b/Gemfile
index baee9f27bd..eb6fc86e67 100644
--- a/Gemfile
+++ b/Gemfile
@@ -43,3 +43,4 @@ gem 'mysql2'
 gem 'therubyracer'
 gem "acts_as_list"
 gem 'web-app-theme', :git => 'https://github.com/pilu/web-app-theme.git'
+gem 'rails-backbone'