diff --git a/Gemfile.lock b/Gemfile.lock
index cb0b36c..246f7da 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
     pg (0.12.0)
       rake-compiler (~> 0.7)
     polyglot (0.3.3)
-    rack (1.3.5)
+    rack (1.3.6)
     rack-cache (1.1)
       rack (>= 0.4)
     rack-contrib (1.1.0)