diff --git a/Gemfile.lock b/Gemfile.lock
index 9185762..c746401 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,8 +4,10 @@ GEM
     activesupport (3.2.8)
       i18n (~> 0.6)
       multi_json (~> 1.0)
+    concurrent-ruby (1.1.10)
     diff-lcs (1.1.3)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.7.4)
     mime-types (1.19)
     multi_json (1.3.6)