diff --git a/Gemfile.lock b/Gemfile.lock
index 3004a5d..a824587 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,6 +36,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.6.2)
+    concurrent-ruby (1.1.9)
     crack (0.3.2)
     diff-lcs (1.2.4)
     erubis (2.7.0)
@@ -51,7 +52,8 @@ GEM
     faraday (0.8.7)
       multipart-post (~> 1.1)
     hike (1.2.2)
-    i18n (0.6.4)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (1.0.2)
       activesupport (>= 3.0.0)
     jquery-rails (2.2.1)