diff --git a/Gemfile.lock b/Gemfile.lock
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -135,6 +135,8 @@
       railties (~> 3.2.0)
       sass (>= 3.1.10)
       tilt (~> 1.3)
+    select2-rails (4.0.1)
+      thor (~> 0.14)
     sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
@@ -176,6 +178,7 @@
   rouge
   rspec-rails (~> 2.99.0)
   sass-rails (~> 3.2.6)
+  select2-rails
   test-unit
   uglifier
   verification!