diff --git a/Gemfile.lock b/Gemfile.lock
index aa7ecc7..7632d4d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,6 +47,7 @@ GEM
       execjs
     coffee-script-source (1.6.2)
     commonjs (0.2.6)
+    concurrent-ruby (1.1.10)
     diff-lcs (1.2.5)
     erubis (2.7.0)
     exception_notification (3.0.1)
@@ -65,7 +66,8 @@ GEM
       guard (~> 2.1)
       rspec (>= 2.14, < 4.0)
     hike (1.2.3)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     jquery-datatables-rails (1.11.2)
       jquery-rails