diff --git a/Gemfile.lock b/Gemfile.lock
index 176213a..41bb721 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
       method_source (~> 0.8)
       slop (~> 3.3.1)
       spoon (~> 0.0)
-    rack (1.6.0)
+    rack (1.6.11)
     rack-contrib (1.1.0)
       rack (>= 0.9.1)
     rack-protection (1.2.0)