diff --git a/backend/services/export_import.py b/backend/services/export_import.py
index 4ff280ce..9dd5ca4b 100644
--- a/backend/services/export_import.py
+++ b/backend/services/export_import.py
@@ -347,7 +347,7 @@ async def import_generation_from_zip(file_bytes: bytes, db: Session) -> dict:
     from pathlib import Path
     import tempfile
     import shutil
-    from datetime import datetime
+    from datetime import UTC, datetime
     from .. import config
     
     zip_buffer = io.BytesIO(file_bytes)