diff --git a/Dockerfile b/Dockerfile
index d9521f2c..fa83f1ae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG RENOVATE_VERSION=39.66.0
 
 # Base image
 #============
-FROM ghcr.io/containerbase/base:13.4.2@sha256:0f8267aa4fc0a7e99c2475074930abab0bb181d5cb71c2fa434feb35d1afa4a4 AS base
+FROM ghcr.io/containerbase/base:13.4.3@sha256:7915b8f0716a06510bb7e7ea63adbb9628be9da96d63b8cff2e3ed51c615af4f AS base
 
 LABEL maintainer="Michael Kriese <michael.kriese@visualon.de>"
 LABEL name="renovate"