diff --git a/Gemfile.lock b/Gemfile.lock
index a385132..e4a6da2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -306,7 +306,7 @@ GEM
       public_suffix (>= 2.0.0, < 2.1)
     public_suffix (2.0.5)
     racc (1.7.3)
-    rack (2.2.3)
+    rack (2.2.9)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-test (1.1.0)