diff --git a/Gemfile.lock b/Gemfile.lock
index d6237cb..5bd057d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,6 +61,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.3.3)
+    concurrent-ruby (1.1.10)
     erubis (2.7.0)
     execjs (1.4.0)
       multi_json (~> 1.0)
@@ -76,7 +77,8 @@ GEM
     highline (1.6.15)
     hike (1.2.3)
     http_accept_language (1.0.2)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     jquery-rails (2.1.2)
       railties (>= 3.1.0, < 5.0)