diff --git a/app/listmonk/utils.py b/app/listmonk/utils.py
index 3a0874e..18f671d 100644
--- a/app/listmonk/utils.py
+++ b/app/listmonk/utils.py
@@ -3,6 +3,7 @@ import logging
 import requests
 
 from django.conf import settings
+from django.utils.timezone import datetime, timedelta
 
 
 logger = logging.getLogger(__name__)