diff --git a/Gemfile.lock b/Gemfile.lock
index d55c47bc..c1dd6a86 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -260,7 +260,7 @@ GEM
     public_suffix (4.0.1)
     puma (4.3.1)
       nio4r (~> 2.0)
-    rack (1.6.11)
+    rack (1.6.13)
     rack-protection (2.1.0)
       rack
     rack-test (0.6.3)