diff --git a/examples/dummy_app/Gemfile.lock b/examples/dummy_app/Gemfile.lock
index 4ca2d91..bc01668 100644
--- a/examples/dummy_app/Gemfile.lock
+++ b/examples/dummy_app/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
     nio4r (2.7.4)
     puma (6.6.0)
       nio4r (~> 2.0)
-    rack (2.2.17)
+    rack (2.2.23)
     rack-protection (3.2.0)
       base64 (>= 0.1.0)
       rack (~> 2.2, >= 2.2.4)