diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4748fb6..5d457ad 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", pypy-3.9]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", pypy-3.9]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
@@ -18,6 +18,7 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
         cache: pip
         cache-dependency-path: pyproject.toml
     - name: Install dependencies
diff --git a/pyproject.toml b/pyproject.toml
index a24bc8a..535a1c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,6 +22,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
 ]
 requires-python = ">= 3.7.4"
 dependencies = [
@@ -97,7 +98,7 @@ pretty = true
 [tool.tox]
 legacy_tox_ini = """
 [tox]
-envlist = pypy3, py37, py38, py39, py310, py311
+envlist = pypy3, py37, py38, py39, py310, py311, py312
 skip_missing_interpreters = true
 minversion = 4.0