diff --git a/docker/base.Dockerfile b/docker/base.Dockerfile
index cfa43a1c1..48b83ad82 100644
--- a/docker/base.Dockerfile
+++ b/docker/base.Dockerfile
@@ -3,7 +3,7 @@
 # This file is part of the Pycroft project and licensed under the terms of
 # the Apache License, Version 2.0. See the LICENSE file for details.
 
-FROM python:3.12-slim-bookworm
+FROM python:3.12-slim-trixie
 ARG UID=1000
 ARG GID=1000
 ENV LANG=C.UTF-8 DEBIAN_FRONTEND=noninteractive
diff --git a/docker/base/etc/apt/sources.list b/docker/base/etc/apt/sources.list
index 5f368930c..4d40957e1 100644
--- a/docker/base/etc/apt/sources.list
+++ b/docker/base/etc/apt/sources.list
@@ -1,8 +1,8 @@
-deb http://ftp.agdsn.de/debian bookworm main
-deb-src http://ftp.agdsn.de/debian bookworm main
+deb http://ftp.agdsn.de/debian trixie main
+deb-src http://ftp.agdsn.de/debian trixie main
 
-deb http://ftp.agdsn.de/debian bookworm-updates main
-deb-src http://ftp.agdsn.de/debian bookworm-updates main
+deb http://ftp.agdsn.de/debian trixie-updates main
+deb-src http://ftp.agdsn.de/debian trixie-updates main
 
-deb http://security.debian.org/debian-security bookworm-security main
-deb-src http://security.debian.org/debian-security bookworm-security main
+deb http://security.debian.org/debian-security trixie-security main
+deb-src http://security.debian.org/debian-security trixie-security main