diff --git a/backend/src/models/crud.py b/backend/src/models/crud.py
index 63ed52c..6ab0e99 100644
--- a/backend/src/models/crud.py
+++ b/backend/src/models/crud.py
@@ -1,5 +1,5 @@
 """CRUD operations for audio tracks."""
-from typing import List, Optional, Dict
+from typing import List, Optional, Dict, Tuple
 from uuid import UUID
 from sqlalchemy.orm import Session
 from sqlalchemy import or_, and_, func
@@ -105,7 +105,7 @@ def get_tracks(
     has_vocals: Optional[bool] = None,
     sort_by: str = "analyzed_at",
     sort_desc: bool = True,
-) -> tuple[List[AudioTrack], int]:
+) -> Tuple[List[AudioTrack], int]:
     """Get tracks with filters and pagination.
 
     Args: