diff --git a/.github/workflows/nox.yml b/.github/workflows/nox.yml
index e4da77e..c4a5b5f 100644
--- a/.github/workflows/nox.yml
+++ b/.github/workflows/nox.yml
@@ -32,7 +32,7 @@ jobs:
       - name: Setup nox
         uses: wntrblm/nox@2023.04.22
         with:
-          python-versions: "3.11"
+          python-versions: "3.12"
       - run: |
           nox -v -e lint
   nox-test:
@@ -48,7 +48,7 @@ jobs:
       - name: Setup nox
         uses: wntrblm/nox@2023.04.22
         with:
-          python-versions: "3.9, 3.10, 3.11"
+          python-versions: "3.9, 3.10, 3.11, 3.12"
       - name: Run unit tests
         run: |
           nox -v -e test
diff --git a/noxfile.py b/noxfile.py
index 425700e..ac795eb 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -33,7 +33,7 @@ def install(session: nox.Session, *args, editable=False, **kwargs):
     session.install(*args, "-U", **kwargs)
 
 
-@nox.session(python=["3.9", "3.10", "3.11"])
+@nox.session(python=["3.9", "3.10", "3.11", "3.12"])
 def test(session: nox.Session):
     install(
         session,
diff --git a/pyproject.toml b/pyproject.toml
index 5bb53b5..9d99a56 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Typing :: Typed",
 ]
 requires-python = ">=3.9"