diff --git a/manifest-delivery-base.yml b/manifest-delivery-base.yml
index 9f4527355..64a96e953 100644
--- a/manifest-delivery-base.yml
+++ b/manifest-delivery-base.yml
@@ -43,6 +43,7 @@ env:
 
   TEMPLATE_PREVIEW_API_HOST: null
   TEMPLATE_PREVIEW_API_KEY: null
+  SQLALCHEMY_POOL_SIZE: 1
 
 applications:
   - name: notify-delivery-celery-beat
@@ -66,7 +67,6 @@ applications:
     command: scripts/run_multi_worker_app_paas.sh celery multi start 3 -c 10 -A run_celery.notify_celery --loglevel=INFO -Q send-sms-tasks,send-email-tasks
     memory: 2G
     env:
-      SQLALCHEMY_POOL_SIZE: 1
       NOTIFY_APP_NAME: delivery-worker-sender
 
   - name: notify-delivery-worker-periodic