diff --git a/Gemfile.lock b/Gemfile.lock
index 7587b83..2adfc82 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
       rack (>= 1.1.0, < 2)
     i18n (0.5.0)
     multipart-post (1.1.0)
-    rack (1.2.1)
+    rack (1.6.13)
     rake (0.8.7)
     rspec (2.1.0)
       rspec-core (~> 2.1.0)