diff --git a/Gemfile.lock b/Gemfile.lock
index 7e55fce..9023205 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,11 +39,13 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.6.2)
+    concurrent-ruby (1.1.10)
     erubis (2.7.0)
     execjs (1.4.0)
       multi_json (~> 1.0)
     hike (1.2.3)
-    i18n (0.6.4)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (1.4.2)
       activesupport (>= 3.0.0)
       multi_json (>= 1.2.0)