diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 2138164..9ce6712 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -49,7 +49,7 @@ jobs:
       matrix:
         # YAML parse `3.10` to `3.1`, so we have to add quotes for `'3.10'`, see also:
         # https://github.com/actions/setup-python/issues/160#issuecomment-724485470
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
         os: [ubuntu-latest, macOS-latest, windows-latest]
     steps:
       - uses: actions/checkout@v3
diff --git a/setup.cfg b/setup.cfg
index 90bd123..01dd382 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -25,6 +25,7 @@ classifiers =
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
     Programming Language :: Python :: Implementation :: CPython
     Environment :: Console
     Topic :: Software Development :: Libraries :: Python Modules
diff --git a/tox.ini b/tox.ini
index a082e3c..978cc32 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,7 +16,7 @@
 # under the License.
 
 [tox]
-envlist = auto-lint, lint, code-test, local-ci, doc-build, py{37,38,39,310,311}
+envlist = auto-lint, lint, code-test, local-ci, doc-build, py{37,38,39,310,311,312}
 
 [testenv]
 allowlist_externals =