diff --git a/Gemfile.lock b/Gemfile.lock
index ddfabcb..14d5eef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,6 +48,7 @@ GEM
       execjs
     coffee-script-source (1.6.3)
     columnize (0.3.6)
+    concurrent-ruby (1.1.9)
     cucumber (1.3.11)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.3)
@@ -89,7 +90,8 @@ GEM
       haml (>= 3.1, < 5.0)
       railties (~> 4.0.0)
     hike (1.2.3)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jquery-rails (3.0.4)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)