diff --git a/Gemfile b/Gemfile
index 534c2709..4a03f5e6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -30,6 +30,7 @@ gem 'addressable', :require => 'addressable/uri'
 gem 'mini_magick'
 gem 'image_size'
 gem 'cache_digests'
+gem 'i18n-js'
 
 group :development do
   gem 'rspec'
diff --git a/Gemfile.lock b/Gemfile.lock
index 2fffe910..568e1145 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,6 +60,8 @@ GEM
     http_parser.rb (0.5.3)
     http_parser.rb (0.5.3-java)
     i18n (0.6.1)
+    i18n-js (2.1.2)
+      i18n
     image_size (1.1.1)
     jdbc-postgres (9.2.1002.1)
     journey (1.0.4)
@@ -187,6 +189,7 @@ DEPENDENCIES
   diff-lcs
   exception_notification
   geoip
+  i18n-js
   image_size
   jquery-rails
   jquery-ui-rails