diff --git a/Gemfile.lock b/Gemfile.lock
index 2e991b7..5f425b1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,10 +36,12 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.6.3)
+    concurrent-ruby (1.1.5)
     erubis (2.7.0)
     execjs (2.0.1)
     hike (1.2.3)
-    i18n (0.6.5)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (1.5.1)
       activesupport (>= 3.0.0)
       multi_json (>= 1.2.0)