diff --git a/pyproject.toml b/pyproject.toml
index 5fa4b365ed..21aa71dd2d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,4 +4,4 @@ build-backend = 'setuptools.build_meta:__legacy__'
 
 [tool.black]
 target-version = ['py38']
-extend-exclude = 'tests/test_runner_apps/tagged/tests_syntax_error.py'
+force-exclude = 'tests/test_runner_apps/tagged/tests_syntax_error.py'