diff --git a/Gemfile.lock b/Gemfile.lock
index a26e773..a35b906 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -135,6 +135,7 @@ GEM
       compass (~> 1.0.0)
       sass-rails (<= 5.0.1)
       sprockets (< 2.13)
+    concurrent-ruby (1.1.10)
     coveralls (0.8.2)
       json (~> 1.8)
       rest-client (>= 1.6.8, < 2)
@@ -238,7 +239,8 @@ GEM
       ruby_parser (~> 3.5)
     http-cookie (1.0.2)
       domain_name (~> 0.5)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     inherited_resources (1.6.0)
       actionpack (>= 3.2, < 5)
       has_scope (~> 0.6.0.rc)