diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7741297..3428a24 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,7 +7,7 @@ jobs:
   main:
     strategy:
       matrix:
-        python: ['3.8', '3.9', '3.10', '3.11']
+        python: ['3.9', '3.10', '3.11', '3.12']
     runs-on: ubuntu-latest
     steps:
     - run: |
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/rustenv.py b/rustenv.py
index f2b8aff..f3671da 100644
--- a/rustenv.py
+++ b/rustenv.py
@@ -22,7 +22,7 @@
 import subprocess
 import tempfile
 import urllib.request
-from typing import Sequence
+from collections.abc import Sequence
 
 
 ACTIVATE = '''\
diff --git a/setup.cfg b/setup.cfg
index 44222c8..4aae955 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,7 +17,7 @@ classifiers =
 
 [options]
 py_modules = rustenv
-python_requires = >=3.8
+python_requires = >=3.9
 
 [options.entry_points]
 console_scripts =