diff --git a/Gemfile.lock b/Gemfile.lock
index 8e4e44b..9edd2ac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,9 @@ GEM
     activesupport (3.2.8)
       i18n (~> 0.6)
       multi_json (~> 1.0)
-    i18n (0.6.1)
+    concurrent-ruby (1.1.8)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     multi_json (1.3.6)
     posix-spawn (0.3.6)
     pygments.rb (0.5.2)