diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
index 84a0c95c75f36ee6c8a8413efa2c810d3b41a6b5..a8e6e64dafb76827537f6f77b734b2da1ede936d 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:1.23.3@sha256:4a27b6add9cddef07129f13431d242ad0de6bbee7d338bd7c76429e0c9df15c5 AS slim-base
+FROM ghcr.io/renovatebot/base-image:1.23.4@sha256:a949c81cfa579e2682ef7bd595b3bbfad636fb4da664993979713b81b19fa523 AS slim-base
 
 # --------------------------------------
 # full image
 # --------------------------------------
-FROM ghcr.io/renovatebot/base-image:1.23.3-full@sha256:923426f23685d74b69c41c00afe4b406463d669c75f55db3e404e47ad9c78691 AS full-base
+FROM ghcr.io/renovatebot/base-image:1.23.4-full@sha256:f79ef732e27a86d7879379c7ec4eb7a8a80dcf533b3e5e19945c5a06bd4d5d37 AS full-base
 
 # --------------------------------------
 # build image