diff --git a/docker/Dockerfile b/docker/Dockerfile
index e50380003..6da3114bf 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=registry.opensource.zalan.do/library/alpine-3:latest
+ARG BASE_IMAGE=alpine-3
 FROM golang:1.25-alpine AS builder
 ARG VERSION=latest
 
diff --git a/logical-backup/Dockerfile b/logical-backup/Dockerfile
index 137f4efa8..8eabe79c1 100644
--- a/logical-backup/Dockerfile
+++ b/logical-backup/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=registry.opensource.zalan.do/library/ubuntu-22.04:latest
+ARG BASE_IMAGE=ubuntu-22.04
 FROM ${BASE_IMAGE}
 LABEL maintainer="Team ACID @ Zalando <team-acid@zalando.de>"
 
diff --git a/ui/Dockerfile b/ui/Dockerfile
index a32b9c80d..07124aeee 100644
--- a/ui/Dockerfile
+++ b/ui/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASE_IMAGE=registry.opensource.zalan.do/library/python-3.11-slim:latest
+ARG BASE_IMAGE=python-3.11-slim
 ARG NODE_IMAGE=node:lts-alpine
 
 FROM $NODE_IMAGE AS build