diff --git a/automation/build/debian/12-arm64v8.dockerfile b/automation/build/debian/12-arm64v8.dockerfile
new file mode 100644
index 0000000000..c0e08a010f
--- /dev/null
+++ b/automation/build/debian/12-arm64v8.dockerfile
@@ -0,0 +1,69 @@
+# syntax=docker/dockerfile:1
+FROM --platform=linux/arm64/v8 debian:bookworm-slim
+LABEL maintainer.name="The Xen Project"
+LABEL maintainer.email="xen-devel@lists.xenproject.org"
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN <<EOF
+#!/bin/bash
+    set -eu
+
+    useradd --create-home user
+
+    apt-get update
+
+    DEPS=(
+        # Xen
+        bison
+        build-essential
+        checkpolicy
+        flex
+
+        # Tools (general)
+        ca-certificates
+        cpio
+        git-core
+        pkg-config
+        wget
+        # libxenguest dombuilder
+        libbz2-dev
+        liblzma-dev
+        liblzo2-dev
+        libzstd-dev
+        zlib1g-dev
+        # libacpi
+        acpica-tools
+        # libxl
+        libfdt-dev
+        libjson-c-dev
+        uuid-dev
+        # xentop
+        libncurses5-dev
+        # Python bindings
+        python3-dev
+        python3-setuptools
+        # Golang bindings
+        golang-go
+        # Ocaml bindings/oxenstored
+        ocaml-nox
+        ocaml-findlib
+
+        # for test phase, qemu-* jobs
+        busybox-static
+        curl
+        device-tree-compiler
+        expect
+        file
+        ovmf
+        u-boot-qemu
+        u-boot-tools
+    )
+
+    apt-get -y --no-install-recommends install "${DEPS[@]}"
+
+    rm -rf /var/lib/apt/lists*
+EOF
+
+USER user
+WORKDIR /build
diff --git a/automation/build/debian/bookworm-arm64v8.dockerfile b/automation/build/debian/bookworm-arm64v8.dockerfile
deleted file mode 100644
index da8ae75125..0000000000
--- a/automation/build/debian/bookworm-arm64v8.dockerfile
+++ /dev/null
@@ -1,55 +0,0 @@
-# syntax=docker/dockerfile:1
-FROM --platform=linux/arm64/v8 debian:bookworm
-LABEL maintainer.name="The Xen Project" \
-      maintainer.email="xen-devel@lists.xenproject.org"
-
-ENV DEBIAN_FRONTEND=noninteractive
-ENV USER root
-
-RUN mkdir /build
-WORKDIR /build
-
-# build depends
-RUN apt-get update && \
-    apt-get --quiet --yes install \
-        build-essential \
-        zlib1g-dev \
-        libncurses5-dev \
-        python3-dev \
-        python3-setuptools \
-        uuid-dev \
-        libyajl-dev \
-        libaio-dev \
-        libglib2.0-dev \
-        clang \
-        libpixman-1-dev \
-        pkg-config \
-        flex \
-        bison \
-        acpica-tools \
-        libfdt-dev \
-        bin86 \
-        bcc \
-        liblzma-dev \
-        libnl-3-dev \
-        ocaml-nox \
-        libfindlib-ocaml-dev \
-        markdown \
-        transfig \
-        pandoc \
-        checkpolicy \
-        wget \
-        git \
-        nasm \
-        # for test phase, qemu-smoke-* jobs
-        u-boot-qemu \
-        u-boot-tools \
-        device-tree-compiler \
-        curl \
-        cpio \
-        busybox-static \
-        expect \
-        && \
-        apt-get autoremove -y && \
-        apt-get clean && \
-        rm -rf /var/lib/apt/lists* /tmp/* /var/tmp/*
diff --git a/automation/gitlab-ci/build.yaml b/automation/gitlab-ci/build.yaml
index 2189ee0b9e..128b5f45cb 100644
--- a/automation/gitlab-ci/build.yaml
+++ b/automation/gitlab-ci/build.yaml
@@ -414,15 +414,15 @@ debian-12-arm32-gcc-debug-mpu:
 
 # Arm builds
 
-debian-bookworm-gcc-arm64:
+debian-12-arm64-gcc:
   extends: .gcc-arm64-build
   variables:
-    CONTAINER: debian:bookworm-arm64v8
+    CONTAINER: debian:12-arm64v8
 
-debian-bookworm-gcc-debug-arm64:
+debian-12-arm64-gcc-debug:
   extends: .gcc-arm64-build-debug
   variables:
-    CONTAINER: debian:bookworm-arm64v8
+    CONTAINER: debian:12-arm64v8
 
 alpine-3.18-gcc-arm64:
   extends: .gcc-arm64-build
diff --git a/automation/gitlab-ci/test.yaml b/automation/gitlab-ci/test.yaml
index e1d6bb5056..982fd86db0 100644
--- a/automation/gitlab-ci/test.yaml
+++ b/automation/gitlab-ci/test.yaml
@@ -37,7 +37,7 @@
 .qemu-arm64:
   extends: .test-jobs-common
   variables:
-    CONTAINER: debian:bookworm-arm64v8
+    CONTAINER: debian:12-arm64v8
     LOGFILE: qemu-smoke-arm64.log
   artifacts:
     paths:
@@ -50,7 +50,7 @@
 .qemu-arm32:
   extends: .test-jobs-common
   variables:
-    CONTAINER: debian:bookworm-arm64v8
+    CONTAINER: debian:12-arm64v8
     LOGFILE: qemu-smoke-arm32.log
   artifacts:
     paths:
diff --git a/automation/scripts/containerize b/automation/scripts/containerize
index ef3b97b655..bda06054eb 100755
--- a/automation/scripts/containerize
+++ b/automation/scripts/containerize
@@ -39,7 +39,7 @@ case "_${CONTAINER}" in
     _trixie-x86_64|_) CONTAINER="${BASE}/debian:13-x86_64" ;;
     _bookworm-i386|_bookworm-x86_32) CONTAINER="${BASE}/debian:12-x86_32" ;;
     _bookworm-arm64v8-arm32) CONTAINER="${BASE}/debian:12-arm64v8-arm32" ;;
-    _bookworm-arm64v8) CONTAINER="${BASE}/debian:bookworm-arm64v8" ;;
+    _bookworm-arm64v8) CONTAINER="${BASE}/debian:12-arm64v8" ;;
     _bookworm-cppcheck) CONTAINER="${BASE}/debian:12-arm64v8-cppcheck" ;;
     _opensuse-leap|_leap) CONTAINER="${BASE}/opensuse:leap-15.6-x86_64" ;;
     _opensuse-tumbleweed|_tumbleweed) CONTAINER="${BASE}/opensuse:tumbleweed-x86_64" ;;