diff --git a/tasks/docker_setup.yml b/tasks/docker_setup.yml
index 95e0baa..adf0213 100644
--- a/tasks/docker_setup.yml
+++ b/tasks/docker_setup.yml
@@ -83,7 +83,8 @@
       cron:
         name: Prune docker system
         cron_file: docker-system-prune-all
-        special_time: daily
+        minute: "0"
+        hour: "1,13"
         user: root
         state: present
         job: "/usr/local/sbin/docker-system-prune-all"
@@ -93,7 +94,8 @@
       cron:
         name: Prune docker system
         cron_file: docker-system-prune-all
-        special_time: daily
+        minute: "0"
+        hour: "1,13"
         user: root
         state: absent
         job: "/usr/local/sbin/docker-system-prune-all"