diff --git a/Gemfile.lock b/Gemfile.lock
index ad34ebb..db0caf5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,6 +25,7 @@ GEM
       multi_json (~> 1.0)
     builder (3.0.4)
     colorize (0.5.8)
+    concurrent-ruby (1.1.10)
     coveralls (0.6.2)
       colorize
       multi_json (~> 1.3)
@@ -33,9 +34,11 @@ GEM
       thor
     erubis (2.7.0)
     hike (1.2.3)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     json (1.8.2)
+    json (1.8.2-java)
     mime-types (1.21)
     multi_json (1.6.1)
     nokogiri (1.5.6)