diff --git a/Gemfile.lock b/Gemfile.lock
index f4f3d7c..7b355b3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -163,7 +163,7 @@ GEM
       ast (~> 2.2)
     powerpack (0.1.1)
     puma (3.12.0)
-    rack (1.6.5)
+    rack (1.6.13)
     rack-protection (1.5.3)
       rack
     rainbow (2.2.1)