diff --git a/Gemfile.lock b/Gemfile.lock
index 7ac6e6c1d..26d06c331 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -320,7 +320,7 @@ GEM
     public_suffix (3.0.3)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.6.10)
+    rack (1.6.11)
     rack-accept (0.4.5)
       rack (>= 0.4)
     rack-attack (5.0.1)