diff --git a/Dockerfile b/Dockerfile
index 427b301b..27207a76 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG RENOVATE_VERSION=37.36.2
 
 # Base image
 #============
-FROM ghcr.io/containerbase/base:9.23.8@sha256:c55f74e486fa74dde672f971b8025a13c4119bdda177363cfca600595a900117 AS base
+FROM ghcr.io/containerbase/base:9.23.9@sha256:e89ee56efd1aa7f62bf22ed5468a3ad3c60a11ceb353c252db3019f59cb4ad45 AS base
 
 LABEL maintainer="Michael Kriese <michael.kriese@visualon.de>"
 LABEL name="renovate"