diff --git a/Gemfile.lock b/Gemfile.lock
index 42c16db2c..c70bf5125 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -385,7 +385,7 @@ GEM
       activesupport (>= 3.0.0)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.6.8)
+    rack (1.6.11)
     rack-attack (5.0.1)
       rack
     rack-contrib (1.4.0)