diff --git a/renovate.Dockerfile b/renovate.Dockerfile
index 2e47a812..8f811375 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=3.9.21
+ENV PYTHON_VERSION=3.9.22
 
 # EOL 2026-10
 # renovate: datasource=docker depName=python versioning=docker