diff --git a/Gemfile.lock b/Gemfile.lock
index b665ef0..af6d077 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
     json (1.8.1)
     multipart-post (1.2.0)
     mysql2 (0.3.14)
-    rack (1.5.2)
+    rack (1.6.11)
     rack-protection (1.5.1)
       rack
     rake (10.1.0)