diff --git a/Gemfile.lock b/Gemfile.lock
index ee83b68..c0fc6c3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,6 +43,7 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
+    concurrent-ruby (1.1.10)
     coveralls (0.7.0)
       multi_json (~> 1.3)
       rest-client
@@ -81,7 +82,8 @@ GEM
     haml (4.0.5)
       tilt
     hike (1.2.3)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     its (0.2.0)
       rspec-core
     jquery-rails (3.1.2)