diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
index 6362b60178a062..522e75420a278c 100644
--- a/tools/docker/Dockerfile
+++ b/tools/docker/Dockerfile
@@ -3,12 +3,12 @@ ARG BASE_IMAGE_TYPE=slim
 # --------------------------------------
 # slim image
 # --------------------------------------
-FROM ghcr.io/renovatebot/base-image:2.12.8@sha256:9fa20eca12ba3caba3f947816973bc2e48954cd78c868fea6da0ff07b12808e9 AS slim-base
+FROM ghcr.io/renovatebot/base-image:6.9.9@sha256:d8813affc9bb7356030235e19aae9037cb2bb30324fbbb8c7cacee7cff92593e AS slim-base
 
 # --------------------------------------
 # full image
 # --------------------------------------
-FROM ghcr.io/renovatebot/base-image:2.12.8-full@sha256:5abf09d5a6cb8c976731247cde7722c4769d99457bf804fcabdb0a3909b8f1a4 AS full-base
+FROM ghcr.io/renovatebot/base-image:6.9.9-full@sha256:b41b5362cba2e5db0c450f59ae7f1235c1a41126f5fdf3f5b2d01529d3e0885b AS full-base
 
 # --------------------------------------
 # build image