diff --git a/Gemfile.lock b/Gemfile.lock
index 9abbfe1..7519952 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,11 +40,13 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.1.2)
+    concurrent-ruby (1.1.5)
     erubis (2.7.0)
     execjs (1.2.9)
       multi_json (~> 1.0)
     hike (1.2.1)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jquery-rails (1.0.14)
       railties (~> 3.0)
       thor (~> 0.14)