diff --git a/Dockerfile b/Dockerfile
index c7e3aa18..b87cb218 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG RENOVATE_VERSION=36.0.0
 
 # Base image
 #============
-FROM ghcr.io/containerbase/base:9.0.8@sha256:f59bd22ab967e677907f9d5da2f14e9ac397aff65648aa1d171c06fa9d1e556b AS base
+FROM ghcr.io/containerbase/base:9.1.1@sha256:9355410c8f812eac30f0a508d7f7627fd803bd705b3a629c7408077b6d0d4ccb AS base
 
 LABEL maintainer="Michael Kriese <michael.kriese@visualon.de>"
 LABEL name="renovate"