diff --git a/Gemfile.lock b/Gemfile.lock
index e4ee20b..95be41f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,6 +73,7 @@ GEM
       execjs
     coffee-script-source (1.8.0)
     colored (1.2)
+    concurrent-ruby (1.1.9)
     coveralls (0.7.0)
       multi_json (~> 1.3)
       rest-client
@@ -141,7 +142,8 @@ GEM
     hike (1.2.3)
     hitimes (1.2.2)
     hpricot (0.8.6)
-    i18n (0.6.11)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     i18n-js (2.1.2)
       i18n
     journey (1.0.4)