diff --git a/3.9/Dockerfile b/3.9/Dockerfile
index d239538..b34ecf6 100644
--- a/3.9/Dockerfile
+++ b/3.9/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9.21-slim-bookworm@sha256:40007fe18a72a2e7166be350d52dab86b9fe18f2de08e6a38e26422fb247e81e
+FROM python:3.9.22-slim-bookworm@sha256:3374723d43a5f642cc51ef1695fc802ff9a79530dc227dfc5fdf20721f78008d
 
 # renovate: datasource=pypi depName=poetry versioning=semver
 ENV POETRY_VERSION 2.1.2