diff --git a/nextcloud/docker-compose.yml b/nextcloud/docker-compose.yml
index c4eff3b..c251e1c 100644
--- a/nextcloud/docker-compose.yml
+++ b/nextcloud/docker-compose.yml
@@ -80,7 +80,7 @@ services:
       - ${NEXTCLOUD_ROOT}/data:/srv/nextcloud/data
 
   nextcloud-cron:
-    image: nextcloud:20
+    image: nextcloud:21
     container_name: nextcloud-cron
     labels:
       - "com.centurylinklabs.watchtower.enable=true"