diff --git a/Dockerfile b/Dockerfile
index 9448918c..2aece49a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG RENOVATE_VERSION=39.55.0
 
 # Base image
 #============
-FROM ghcr.io/containerbase/base:13.2.0@sha256:d1cdd6fd12da540119884af0c2e52447e046aad06f1f552439c297f1cd9b0a1e AS base
+FROM ghcr.io/containerbase/base:13.2.1@sha256:35277aa27b7e9f4a370e066c5e97a1d4c59c2d55a610cf763045d18b3aeccb33 AS base
 
 LABEL maintainer="Michael Kriese <michael.kriese@visualon.de>"
 LABEL name="renovate"