diff --git a/tests/__init__.py b/tests/__init__.py
index f62c6cb..ffd6aa7 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,4 +1,5 @@
 from __future__ import annotations
+from typing import Union
 from pathlib import Path, PurePath
 from os import PathLike
 
@@ -13,7 +14,7 @@
 WILDCARD_GLOB: str = '*'
 
 
-PathTypes = PathLike | str
+PathTypes = Union[PathLike, str]
 Paths = tuple[Path, AsyncPath]