diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index bf1666c..e7c1878 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -23,7 +23,7 @@ repos:
     hooks:
     -   id: add-trailing-comma
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v3.16.0
+    rev: v3.17.0
     hooks:
     -   id: pyupgrade
         args: [--py38-plus]
diff --git a/setup_cfg_fmt.py b/setup_cfg_fmt.py
index 49fbd5d..633be3c 100644
--- a/setup_cfg_fmt.py
+++ b/setup_cfg_fmt.py
@@ -173,7 +173,7 @@ def _parse_python_requires(
     return minimum, excluded
 
 
-def _tox_envlist(setup_cfg: str) -> Generator[str, None, None]:
+def _tox_envlist(setup_cfg: str) -> Generator[str]:
     tox_ini = _adjacent_filename(setup_cfg, 'tox.ini')
     if os.path.exists(tox_ini):
         cfg = NoTransformConfigParser()