diff --git a/Gemfile.lock b/Gemfile.lock
index 30337c5..6e429f7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,6 +48,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.6.2)
+    concurrent-ruby (1.1.10)
     cookiejar (0.3.0)
     daemons (1.1.9)
     delayed_job (3.0.5)
@@ -89,7 +90,8 @@ GEM
     hpricot (0.8.6)
     http_parser.rb (0.6.0.beta.2)
     httpauth (0.2.0)
-    i18n (0.6.4)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jquery-rails (3.0.0)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)