diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f2b5cc85..72bb43d1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,12 +18,13 @@ jobs:
         - 3.9
         - '3.10'
         - '3.11'
+        - '3.12'
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -39,11 +40,11 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
-          python-version: '3.10'
+          python-version: '3.12'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip tox
diff --git a/setup.cfg b/setup.cfg
index 83a3ed7f..e98a079e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,6 +20,7 @@ classifiers =
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
     Topic :: Internet :: WWW/HTTP
 project_urls =
     Documentation = https://asgi.readthedocs.io/
diff --git a/tox.ini b/tox.ini
index e0e17111..a271b813 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{38,39,310,311}-{test,mypy}
+    py{38,39,310,311,312}-{test,mypy}
     qa
 
 [testenv]
@@ -9,6 +9,8 @@ extras = tests
 commands =
     test: pytest -v {posargs}
     mypy: mypy . {posargs}
+deps =
+    setuptools
 
 [testenv:qa]
 skip_install = true