diff --git a/Gemfile.lock b/Gemfile.lock
index 0e8967a..555c1fa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,12 +4,14 @@ GEM
     activesupport (3.2.3)
       i18n (~> 0.6)
       multi_json (~> 1.0)
+    concurrent-ruby (1.1.9)
     diff-lcs (1.1.3)
     domain_name (0.5.3)
       unf (~> 0.0.3)
     fakeweb (1.3.0)
     git (1.2.5)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jeweler (1.8.3)
       bundler (~> 1.0)
       git (>= 1.2.5)