diff --git a/examples/chi-existing-service/go.mod b/examples/chi-existing-service/go.mod
index 1a2e8e7..23694fd 100644
--- a/examples/chi-existing-service/go.mod
+++ b/examples/chi-existing-service/go.mod
@@ -4,7 +4,7 @@ go 1.25.0
 
 require (
 	github.com/aatuh/api-toolkit/v4 v4.0.0
-	github.com/go-chi/chi/v5 v5.2.5
+	github.com/go-chi/chi/v5 v5.4.0
 )
 
 replace github.com/aatuh/api-toolkit/v4 => ../..
diff --git a/examples/chi-existing-service/go.sum b/examples/chi-existing-service/go.sum
index a4ac04e..ffecabe 100644
--- a/examples/chi-existing-service/go.sum
+++ b/examples/chi-existing-service/go.sum
@@ -1,2 +1,2 @@
-github.com/go-chi/chi/v5 v5.2.5 h1:Eg4myHZBjyvJmAFjFvWgrqDTXFyOzjj7YIm3L3mu6Ug=
-github.com/go-chi/chi/v5 v5.2.5/go.mod h1:X7Gx4mteadT3eDOMTsXzmI4/rwUpOwBHLpAfupzFJP0=
+github.com/go-chi/chi/v5 v5.4.0 h1:+ufzvFTGKyin26Or5DLrlIDq4ygIDBVcj7oVNeeaYFE=
+github.com/go-chi/chi/v5 v5.4.0/go.mod h1:d1IG7GtKPSjPyBP365PH8sAGVHk3qfB/IhjFNRH1wWM=