diff --git a/Gemfile.lock b/Gemfile.lock
index 13b8516..2eafa54 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,8 +4,10 @@ GEM
     activesupport (3.2.3)
       i18n (~> 0.6)
       multi_json (~> 1.0)
+    concurrent-ruby (1.1.5)
     diff-lcs (1.1.3)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     multi_json (1.3.4)
     rake (0.9.2.2)
     rspec (2.9.0)