diff --git a/Gemfile.lock b/Gemfile.lock
index b4c380d..dd26259 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -131,7 +131,7 @@ GEM
       eventmachine_httpserver
       http_parser.rb (~> 0.6.0)
       multi_json
-    rack (1.6.11)
+    rack (1.6.12)
     rack-protection (1.5.5)
       rack
     rack-test (0.8.2)