diff --git a/Gemfile b/Gemfile
index d48e2a7e164..18d9f5bb6e6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,6 +5,7 @@ gem 'authlogic',      '2.1.3'
 gem 'aws-s3',         '0.6.2',  :require => 'aws/s3'
 gem 'barista',        '1.0.0'
 gem 'builder',        '2.1.2'
+gem 'closure-compiler','1.0.0'
 gem 'compass',        '0.10.5'
 gem 'daemons',        '1.1.0'
 gem 'diff-lcs',       '1.1.2',  :require => 'diff/lcs'