diff --git a/sample-python/requirements.txt b/sample-python/requirements.txt
index dfbb4cd..2d7aa84 100644
--- a/sample-python/requirements.txt
+++ b/sample-python/requirements.txt
@@ -2,4 +2,4 @@
 Flask >= 2.2
 
 # https://pypi.org/project/gunicorn/
-gunicorn==20.1.0
+gunicorn==23.0.0