diff --git a/src/database/service.py b/src/database/service.py
index 9313812..62e29df 100644
--- a/src/database/service.py
+++ b/src/database/service.py
@@ -1,5 +1,5 @@
 import logging
-from typing import Annotated, List
+from typing import Annotated, List, Optional
 
 from sqlalchemy import desc, func, or_, Select
 from sqlalchemy_filters import apply_pagination