diff --git a/Gemfile.lock b/Gemfile.lock
index a938f0a..259db5c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,8 +21,10 @@ GEM
       nap (~> 0.5)
     cocoapods-downloader (0.2.0)
     colored (1.2)
+    concurrent-ruby (1.1.5)
     escape (0.0.4)
-    i18n (0.6.5)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.8.0)
     multi_json (1.8.0)
     nap (0.5.1)