diff --git a/Gemfile.lock b/Gemfile.lock
index 573592e..2ac81ca 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,13 +41,15 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.6.3)
+    concurrent-ruby (1.1.5)
     erubis (2.7.0)
     execjs (2.0.2)
     haml (4.0.4)
       tilt
     highline (1.6.20)
     hike (1.2.3)
-    i18n (0.6.5)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.8.1)
     mail (2.5.4)
       mime-types (~> 1.16)