diff --git a/Dockerfile b/Dockerfile
index 154bdde9..5f44f850 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG RENOVATE_VERSION=39.83.2
 
 # Base image
 #============
-FROM ghcr.io/containerbase/base:13.5.2@sha256:6457c31a4f2770b0fa9651f743ca7c3e988b263b45a8550a7182ca0b1ad21c52 AS base
+FROM ghcr.io/containerbase/base:13.5.3@sha256:715965d5ca7f6bdbe8e6797d73c376e7a8edd6db07dd7565b7055c68df2e82db AS base
 
 LABEL maintainer="Michael Kriese <michael.kriese@visualon.de>"
 LABEL name="renovate"