diff --git a/Gemfile.lock b/Gemfile.lock
index 4a9684644f83..fca21c204724 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -68,7 +68,7 @@ GEM
       method_source (~> 0.8.1)
       slop (~> 3.4)
     public_suffix (3.0.0)
-    rack (1.6.8)
+    rack (1.6.13)
     rack-protection (1.5.3)
       rack
     rake (10.5.0)