diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0608925..80cd12e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,6 +8,6 @@ on:
 
 jobs:
   main:
-    uses: asottile/workflows/.github/workflows/tox.yml@v1.0.0
+    uses: asottile/workflows/.github/workflows/tox.yml@v1.7.0
     with:
-      env: '["py38", "py39", "py310", "py311"]'
+      env: '["py39", "py310", "py311", "py312"]'
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 315c420..fedfab3 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -17,7 +17,7 @@ repos:
     rev: v3.13.0
     hooks:
     -   id: reorder-python-imports
-        args: [--py38-plus, --add-import, 'from __future__ import annotations']
+        args: [--py39-plus, --add-import, 'from __future__ import annotations']
 -   repo: https://github.com/asottile/add-trailing-comma
     rev: v3.1.0
     hooks:
@@ -26,7 +26,7 @@ repos:
     rev: v3.17.0
     hooks:
     -   id: pyupgrade
-        args: [--py38-plus]
+        args: [--py39-plus]
 -   repo: https://github.com/hhatto/autopep8
     rev: v2.3.1
     hooks:
diff --git a/setup.cfg b/setup.cfg
index 8b9d797..34f5215 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,7 +17,7 @@ classifiers =
 
 [options]
 py_modules = setup_py_upgrade
-python_requires = >=3.8
+python_requires = >=3.9
 
 [options.entry_points]
 console_scripts =
diff --git a/setup_py_upgrade.py b/setup_py_upgrade.py
index 41fd34a..94c1fe6 100644
--- a/setup_py_upgrade.py
+++ b/setup_py_upgrade.py
@@ -5,8 +5,8 @@
 import configparser
 import io
 import os.path
+from collections.abc import Sequence
 from typing import Any
-from typing import Sequence
 
 METADATA_KEYS = frozenset((
     'name', 'version', 'url', 'download_url', 'project_urls', 'author',