diff --git a/automation/playbooks/tasks/common.yml b/automation/playbooks/tasks/common.yml
new file mode 100644
index 0000000..841ac80
--- /dev/null
+++ b/automation/playbooks/tasks/common.yml
@@ -0,0 +1,7 @@
+- name: Add crontab to clear old docker cache
+  ansible.builtin.cron:
+    name: clear docker cache
+    minute: 0
+    hour: 2
+    job: docker system prune -f
+    user: root
diff --git a/automation/playbooks/update.yml b/automation/playbooks/update.yml
index 58390ad..bc2449b 100644
--- a/automation/playbooks/update.yml
+++ b/automation/playbooks/update.yml
@@ -5,6 +5,8 @@
   tasks:
     - name: Update SSH keys
       ansible.builtin.include_tasks: "tasks/users.yml"
+    - name: Run common tasks
+      ansible.builtin.include_tasks: "tasks/common.yml"
 
     - name: Update each WLMOJ repository
       environment: