diff --git a/Gemfile.lock b/Gemfile.lock
index ac657d9..00c41e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,6 +47,7 @@ GEM
       execjs
     coffee-script-source (1.3.3)
     commonjs (0.2.6)
+    concurrent-ruby (1.1.10)
     daemons (1.1.9)
     diff-lcs (1.1.3)
     ejs (1.0.0)
@@ -64,7 +65,8 @@ GEM
     guard-rspec (1.2.0)
       guard (>= 1.1)
     hike (1.2.1)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     jquery-rails (2.1.1)
       railties (>= 3.1.0, < 5.0)