diff --git a/renovate.Dockerfile b/renovate.Dockerfile
index f63b4762..6287ba16 100644
--- a/renovate.Dockerfile
+++ b/renovate.Dockerfile
@@ -10,7 +10,7 @@ FROM scratch
 
 # EOL 2025-10
 # renovate: datasource=docker depName=python versioning=docker
-ENV PYTHON_VERSION=3.9.22
+ENV PYTHON_VERSION=3.9.23
 
 # EOL 2026-10
 # renovate: datasource=docker depName=python versioning=docker