diff --git a/Gemfile.lock b/Gemfile.lock
index be305ef..50675d6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
       systemu (~> 2.2.0)
       yajl-ruby
     polyglot (0.3.3)
-    rack (1.4.1)
+    rack (1.6.11)
     rake (0.9.2.2)
     rest-client (1.6.7)
       mime-types (>= 1.16)