diff --git a/Gemfile.lock b/Gemfile.lock
index 6d566ad..169adb6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GEM
       multi_json
     multi_json (1.11.0)
     multipart-post (2.0.0)
-    rack (1.6.0)
+    rack (1.6.11)
     rack-protection (1.5.3)
       rack
     shotgun (0.9.1)