diff --git a/Gemfile.lock b/Gemfile.lock
index aa6b168..477ac3a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,6 +69,7 @@ GEM
       hashie (>= 2.0.2)
       multi_json (>= 1.3.0)
     coderay (1.1.0)
+    concurrent-ruby (1.1.10)
     diff-lcs (1.2.5)
     erubis (2.7.0)
     faraday (0.8.8)
@@ -95,7 +96,8 @@ GEM
     httpclient (2.3.4.1)
     httpi (0.9.7)
       rack
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     ipaddress (0.8.0)
     json (1.7.7)
     little-plugger (1.1.3)