diff --git a/Dockerfile b/Dockerfile
index 7f7ff41..4882c66 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8.9-slim-buster@sha256:bdc39f13da35be9a8e592f8f49d12a4552ffd3e90b1fb866f7ab628f3197609d
+FROM python:3.8.9-slim-buster@sha256:3ef6cede21cb3447910f4fa728519c344958beb9641b6defad413b751d2b833b
 
 # renovate: datasource=pypi depName=determine-docker-tags versioning=semver
 ENV DETERMINE_DOCKER_TAGS_VERSION 0.1.6