diff --git a/ansible/roles/docker_cleanup/tasks/main.yml b/ansible/roles/docker_cleanup/tasks/main.yml
index 51923b4..ef8c765 100644
--- a/ansible/roles/docker_cleanup/tasks/main.yml
+++ b/ansible/roles/docker_cleanup/tasks/main.yml
@@ -36,7 +36,9 @@
 - name: Clean up docker containers
   cron:
     name: clean up docker containers
-    special_time: weekly
+    hour: 12
+    minute: 0
+    weekday: 3
     job: docker system prune -af --volumes
 
 - name: Install util scripts
diff --git a/ansible/roles/zfs/tasks/main.yml b/ansible/roles/zfs/tasks/main.yml
index 9a02502..dd1eef0 100644
--- a/ansible/roles/zfs/tasks/main.yml
+++ b/ansible/roles/zfs/tasks/main.yml
@@ -16,7 +16,9 @@
 - name: ZFS Scrub
   cron:
     name: scrub {{ item }} ZFS pool
-    special_time: weekly
+    hour: 5
+    minute: 0
+    weekday: 5
     job: "{{ which_zpool.stdout }} scrub {{ item }}"
   become: true
   loop: "{{ zpools_to_scrub }}"