diff --git a/templates/cron/alpine-root.j2 b/templates/cron/alpine-root.j2
index 03c60bb..9ae5d2b 100644
--- a/templates/cron/alpine-root.j2
+++ b/templates/cron/alpine-root.j2
@@ -15,4 +15,4 @@
 {% endif %}
 
 # update packages between 3:15-3:30 am
-15      3       *       *       *       sleep $(($RANDOM % 900)) && apk -U upgrade >/dev/null 2>&1 && apk clean cache && reboot -d 60
+15      3       *       *       0       sleep $(($RANDOM % 900)) && apk -U upgrade >/dev/null 2>&1 && apk clean cache && reboot -d 60