diff --git a/backend/inbox/mailbox_sync_tasks.py b/backend/inbox/mailbox_sync_tasks.py
index 50d5f50..b62dd68 100644
--- a/backend/inbox/mailbox_sync_tasks.py
+++ b/backend/inbox/mailbox_sync_tasks.py
@@ -11,6 +11,7 @@ from dotenv import load_dotenv
 from taskiq import TaskiqEvents
 
 from db_setup import session_scope
+import department.models  # noqa: F401
 from inbox.models import MailboxSyncRun
 from inbox.views import Email
 from taskiq_management.broker_setup import MAX_RETRIES,RETRY_DELAY