diff --git a/web/Gemfile b/web/Gemfile
index 3092b19d7..0d4a0f4af 100644
--- a/web/Gemfile
+++ b/web/Gemfile
@@ -18,6 +18,7 @@ else
   gem 'jam_websockets',  "0.1.#{ENV["BUILD_NUMBER"]}"
   ENV['NOKOGIRI_USE_SYSTEM_LIBRARIES'] ||= "true"
 end
+
 gem 'oj', '2.10.2'
 gem 'builder'
 gem 'rails', '~>3.2.11'
@@ -142,6 +143,7 @@ group :production do
   gem 'unicorn'
   gem 'newrelic_rpm'
   gem 'god'
+  gem 'rack-cors', :require => 'rack/cors'
 end
 
 group :package do