diff --git a/Gemfile.lock b/Gemfile.lock
index c7748ae..7da466d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -250,7 +250,7 @@ GEM
       puma (>= 5.0)
       rack
     racc (1.8.1)
-    rack (3.1.20)
+    rack (3.1.21)
     rack-session (2.1.1)
       base64 (>= 0.1.0)
       rack (>= 3.0.0)
diff --git a/vendor/cache/rack-3.1.20.gem b/vendor/cache/rack-3.1.20.gem
deleted file mode 100644
index 0a5a3ef..0000000
Binary files a/vendor/cache/rack-3.1.20.gem and /dev/null differ
diff --git a/vendor/cache/rack-3.1.21.gem b/vendor/cache/rack-3.1.21.gem
new file mode 100644
index 0000000..5382c6f
Binary files /dev/null and b/vendor/cache/rack-3.1.21.gem differ