diff --git a/Gemfile.lock b/Gemfile.lock
index 608c42a..1109115 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    rack (1.4.1)
+    rack (1.6.13)
     rack-protection (1.2.0)
       rack
     sinatra (1.3.3)