diff --git a/deploy.yml b/deploy.yml
index b06454c..7d45917 100644
--- a/deploy.yml
+++ b/deploy.yml
@@ -3,6 +3,10 @@
 ---
 - hosts: "{{ host }}"
   tasks:
+    - name: "unnattended upgrades"
+      apt:
+        name: "unnattended-upgrades"
+        state: "present"
     - name: import matrix
       local_action: "include_vars dir=./ files_matching={{ alt }}.yml"
 
diff --git a/roles/althost/tasks/main.yml b/roles/althost/tasks/main.yml
index 6c985af..53d00f1 100644
--- a/roles/althost/tasks/main.yml
+++ b/roles/althost/tasks/main.yml
@@ -14,7 +14,7 @@
         
       - name: docker apt repository
         apt_repository:
-          repo: deb [arch=amd64] https://download.docker.com/linux/debian bullseye stable
+          repo: deb [arch=amd64] https://download.docker.com/linux/debian bookworm stable
 
       - name: install docker community edition
         apt: