diff --git a/Gemfile.lock b/Gemfile.lock
index f7e6cabbb..897a19b9d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -236,7 +236,7 @@ GEM
       activesupport (>= 3.0.0)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-mini-profiler (0.9.3)
       rack (>= 1.1.3)
     rack-test (0.6.3)