diff --git a/Gemfile.lock b/Gemfile.lock
index 34a18e1..0456011 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,8 @@ GEM
       factory_girl (~> 4.5.0)
       railties (>= 3.0.0)
     hike (1.2.3)
-    i18n (0.6.11)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (1.5.3)
       activesupport (>= 3.0.0)
       multi_json (>= 1.2.0)