diff --git a/manifest.yml.j2 b/manifest.yml.j2
index b8ac8a803..a75a50740 100644
--- a/manifest.yml.j2
+++ b/manifest.yml.j2
@@ -49,7 +49,7 @@
     },
   },
 
-  'notify-delivery-celery-beat': {'memory': '128M'},
+  'notify-delivery-celery-beat': {'memory': '512M'},
   'notify-delivery-worker-jobs': {'memory': '2G'},
   'notify-delivery-worker-research': {},
   'notify-delivery-worker-sender': {'disk_quota': '2G', 'memory': '4G'},