diff --git a/Gemfile.lock b/Gemfile.lock
index e14ea59..140f9b6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,12 +54,14 @@ GEM
       execjs
     coffee-script-source (1.3.3)
     commonjs (0.2.6)
+    concurrent-ruby (1.1.10)
     diff-lcs (1.1.3)
     erubis (2.7.0)
     execjs (1.4.0)
       multi_json (~> 1.0)
     hike (1.2.1)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jquery-rails (1.0.19)
       railties (~> 3.0)
       thor (~> 0.14)