diff --git a/Gemfile.lock b/Gemfile.lock
index ea4b930..12c8270 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,6 +73,7 @@ GEM
       chunky_png (~> 1.2)
       fssm (>= 0.2.7)
       sass (~> 3.1)
+    concurrent-ruby (1.1.10)
     configuration (1.3.1)
     daemons (1.1.3)
     database_cleaner (0.6.4)
@@ -108,7 +109,8 @@ GEM
       builder
     httparty (0.2.2)
       json (~> 1.1)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.0)
     jquery-rails (1.0.7)
       railties (~> 3.0)