diff --git a/Gemfile.lock b/Gemfile.lock
index e53a84c..a458245 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,6 +100,7 @@ GEM
       execjs
     coffee-script-source (1.4.0)
     commonjs (0.2.6)
+    concurrent-ruby (1.1.5)
     curb (0.8.3)
     diffy (2.1.3)
     domain_name (0.5.6)
@@ -121,7 +122,8 @@ GEM
     httparty (0.9.0)
       multi_json (~> 1.0)
       multi_xml
-    i18n (0.6.1)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     inherited_resources (1.3.1)
       has_scope (~> 0.5.0)
       responders (~> 0.6)