diff --git a/docs/examples/fork-process-model/flask-gunicorn/requirements.txt b/docs/examples/fork-process-model/flask-gunicorn/requirements.txt
index e1dd8724a75..246d15642d1 100644
--- a/docs/examples/fork-process-model/flask-gunicorn/requirements.txt
+++ b/docs/examples/fork-process-model/flask-gunicorn/requirements.txt
@@ -1,5 +1,5 @@
 click==8.1.7
-Flask==2.3.3
+Flask==3.1.3
 googleapis-common-protos==1.52.0
 grpcio==1.56.2
 gunicorn==22.0.0