diff --git a/Gemfile.lock b/Gemfile.lock
index 66dfdbd..9f6a3a2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,6 +52,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.6.2)
+    concurrent-ruby (1.1.5)
     cucumber (1.3.2)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.3)
@@ -89,7 +90,8 @@ GEM
       railties (>= 3.1, < 4.1)
     hike (1.2.3)
     http_parser.rb (0.5.3)
-    i18n (0.6.4)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (1.0.2)
       activesupport (>= 3.0.0)
     jquery-rails (3.0.1)