diff --git a/Gemfile.lock b/Gemfile.lock
index 9cc24c4..964a780 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,10 +30,12 @@ GEM
     activesupport (3.0.4)
     arel (2.0.8)
     builder (2.1.2)
+    concurrent-ruby (1.1.5)
     erubis (2.6.6)
       abstract (>= 1.0.0)
     haml (3.0.25)
-    i18n (0.5.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jquery-rails (0.2.7)
       rails (~> 3.0)
       thor (~> 0.14.4)