diff --git a/roles/docker/tasks/main.yml b/roles/docker/tasks/main.yml
index 24b4389..e697497 100644
--- a/roles/docker/tasks/main.yml
+++ b/roles/docker/tasks/main.yml
@@ -38,25 +38,25 @@
     owner: root
     group: root
 
-- name: determine architecture
-  changed_when: false
-  register: docker_arch
-  ansible.builtin.command:
-    cmd: dpkg --print-architecture
-
 - name: add docker repo
   become: true
-  ansible.builtin.apt_repository:
-    state: present
-    filename: docker
-    update_cache: true
-    repo: |
+  ansible.builtin.copy:
+    dest: /etc/apt/sources.list.d/docker.sources
+    mode: '0644'
+    owner: root
+    group: root
+    backup: true
+    content: |
       Types: deb
       URIs: https://download.docker.com/linux/debian
       Suites: {{ ansible_distribution_release }}
       Components: stable
       Signed-By: /etc/apt/keyrings/docker.asc
 
+- name: update cache
+  ansible.builtin.apt:
+    update_cache: true
+
 - name: install docker + compose plugin and dependencies
   become: true
   notify: docker_run_test