diff --git a/app/dao/notifications_dao.py b/app/dao/notifications_dao.py
index b9c3118fa..139f7ae8a 100644
--- a/app/dao/notifications_dao.py
+++ b/app/dao/notifications_dao.py
@@ -1,5 +1,6 @@
 import json
 from datetime import timedelta
+from time import time
 
 from flask import current_app
 from sqlalchemy import (
@@ -727,6 +728,7 @@ def get_service_ids_with_notifications_on_date(notification_type, date):
 
 
 def dao_update_delivery_receipts(receipts, delivered):
+    start_time_millis = time() * 1000
     new_receipts = []
     for r in receipts:
         if isinstance(r, str):
@@ -773,3 +775,8 @@ def dao_update_delivery_receipts(receipts, delivered):
     )
     db.session.execute(stmt)
     db.session.commit()
+    elapsed_time = (time() * 1000) - start_time_millis
+    current_app.logger.info(
+        f"#loadtestperformance batch update query time: \
+        updated {len(receipts)} notification in {elapsed_time} ms"
+    )