diff --git a/Gemfile.lock b/Gemfile.lock
index 8a95ca7..3631571 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,9 +19,11 @@ GEM
       i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
     builder (3.0.4)
+    concurrent-ruby (1.1.5)
     diff-lcs (1.2.4)
     hashie (2.0.5)
-    i18n (0.6.5)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.8.0)
     multi_json (1.8.0)
     rake (10.0.4)