diff --git a/tests/css/test_tokenize.py b/tests/css/test_tokenize.py
index 96fa0cfa0..ff6565dc0 100644
--- a/tests/css/test_tokenize.py
+++ b/tests/css/test_tokenize.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import pytest
 
 from textual.css.tokenize import tokenize