diff --git a/Gemfile.lock b/Gemfile.lock
index ea051b3..99d1b22 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,6 +78,7 @@ GEM
       sass (~> 3.1)
     compass-rails (1.0.3)
       compass (>= 0.12.2, < 0.14)
+    concurrent-ruby (1.1.5)
     connection_pool (1.1.0)
     daemons (1.1.9)
     database_cleaner (1.0.1)
@@ -124,7 +125,8 @@ GEM
     highline (1.6.19)
     hike (1.2.3)
     http_parser.rb (0.5.3)
-    i18n (0.6.4)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     jquery-rails (3.0.1)
       railties (>= 3.0, < 5.0)