diff --git a/Dockerfile b/Dockerfile
index b513716..6957c91 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8.7-slim-buster@sha256:d9316f3ee86ec147b76af56052dff45095ffd183e636b4c4f29576eee869927a
+FROM python:3.8.7-slim-buster@sha256:ef1eb4df15396b7d660fe99f1a8ad6b54812420e243fc13b22733218fd03b1b1
 
 # renovate: datasource=pypi depName=determine-docker-tags versioning=semver
 ENV DETERMINE_DOCKER_TAGS_VERSION 0.1.3