diff --git a/examples/knative/python/kn-py-vro/requirements.txt b/examples/knative/python/kn-py-vro/requirements.txt
index e646c418..e987348d 100644
--- a/examples/knative/python/kn-py-vro/requirements.txt
+++ b/examples/knative/python/kn-py-vro/requirements.txt
@@ -2,7 +2,7 @@ cloudevents==1.2.0
   deprecation==2.1.0
     packaging==21.3
       pyparsing==3.0.9
-Flask==2.1.2
+Flask==2.3.2
   click==8.1.3
   importlib-metadata==4.11.4
     zipp==3.8.0