diff -rupN a/tests/conftest.py b/tests/conftest.py
--- a/tests/conftest.py	2024-04-27 15:07:26.000000000 +0000
+++ b/tests/conftest.py	2026-04-02 00:35:06.750000000 +0000
@@ -6,6 +6,7 @@ import random
 import reprlib
 import sys
 from typing import Callable, Optional, Sequence
+from pathlib import Path
 
 import pytest
 
@@ -15,7 +16,7 @@ import mbedtls
 def pytest_report_header(
     # pylint: disable=unused-argument
     config: object,
-    startdir: object,
+    start_path: Path,
 ) -> None:
     sys.stdout.write(
         f"python-mbedtls {mbedtls.__version__}, {mbedtls.version.version}\n"