diff --git a/tools/env_passthrough.py b/tools/env_passthrough.py
index e8dc51272..1c70d518f 100644
--- a/tools/env_passthrough.py
+++ b/tools/env_passthrough.py
@@ -22,6 +22,7 @@ from __future__ import annotations
 import logging
 import os
 from contextvars import ContextVar
+from pathlib import Path
 from typing import Iterable
 
 logger = logging.getLogger(__name__)