diff --git a/Gemfile b/Gemfile
index d66428fa2e..2b347c316d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -32,6 +32,8 @@ gem "airbrake",                "3.0.9"
 gem "nokogiri",                "1.5.3"
 gem "statsd-client",           "0.0.7", :require => "statsd"
 
+gem "addressable",             "2.2.8"
+
 gem "ejs",                     "~> 1.1.1"
 group :assets do
   gem 'sass-rails',            "~> 3.2.3"
diff --git a/Gemfile.lock b/Gemfile.lock
index e35c4c4e4d..ba228814f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -269,6 +269,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  addressable (= 2.2.8)
   airbrake (= 3.0.9)
   aws-sdk (= 1.5.2)
   bartt-ssl_requirement (~> 1.4.0)