diff --git a/Dockerfile b/Dockerfile
index 8a34dfd4..031d8cc7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG RENOVATE_VERSION=39.7.0
 
 # Base image
 #============
-FROM ghcr.io/containerbase/base:13.0.6@sha256:99610645f2526ac48f7dd1b7c02e7920a2a9581f6453639615a44812c3da15f1 AS base
+FROM ghcr.io/containerbase/base:13.0.9@sha256:7dea2662f0dc38887d055c9c588a84355d8db74f11a2d651e3cc32aee33f87f7 AS base
 
 LABEL maintainer="Michael Kriese <michael.kriese@visualon.de>"
 LABEL name="renovate"