diff --git a/Gemfile b/Gemfile
index b60d52af..dfbf3ee1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,12 +7,14 @@ gem 'rack-ssl', '~> 1.3'
 gem 'rack-cache'
 gem 'sinatra'
 
-gem 'rake-pipeline',  github: 'livingsocial/rake-pipeline', ref: '3465e0e3e1'
-gem 'rake-pipeline-web-filters', github: 'wycats/rake-pipeline-web-filters'
-gem 'coffee-script'
-gem 'compass'
-gem 'tilt'
-gem 'uglifier'
+group :assets do
+  gem 'rake-pipeline',  github: 'livingsocial/rake-pipeline', ref: '3465e0e3e1'
+  gem 'rake-pipeline-web-filters', github: 'wycats/rake-pipeline-web-filters'
+  gem 'coffee-script'
+  gem 'compass'
+  gem 'tilt'
+  gem 'uglifier'
+end
 
 group :development, :test do
   gem 'rake', '~> 0.9.2'