diff --git a/Gemfile.lock b/Gemfile.lock
index c01079b..d654638 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,6 +58,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.3.1)
+    concurrent-ruby (1.1.5)
     cucumber (1.1.9)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.2)
@@ -93,7 +94,8 @@ GEM
       json (>= 1.4.6)
     hike (1.2.1)
     htmldiff (0.0.1)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     jquery-rails (1.0.19)
       railties (~> 3.0)