diff --git a/tests/conftest.py b/tests/conftest.py
index f92cfc1..807f15b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import pytest
 
 from pre_commit_hooks.util import cmd_output