diff --git a/Gemfile.lock b/Gemfile.lock
index 2b1c0cd..27e9728 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
       forwardable-extended (~> 2.6)
     public_suffix (5.0.1)
     racc (1.8.1)
-    rack (3.0.16)
+    rack (3.1.18)
     rake (13.0.6)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)