diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ed9dea0..2b215ff 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,6 +15,7 @@ jobs:
           - '3.9'
           - '3.10'
           - '3.11'
+          - '3.12'
         toxenv: [py]
         include:
           - python-version: '3.8'
diff --git a/setup.cfg b/setup.cfg
index 6eb68fb..f73966d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,6 +26,7 @@ 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
     Programming Language :: Python :: Implementation :: PyPy
     License :: OSI Approved :: MIT License
diff --git a/tox.ini b/tox.ini
index 8963d05..9dbb866 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = lint,typing,py38,py39,py310,py311
+envlist = lint,typing,py38,py39,py310,py311,py312
 skip_missing_interpreters = True
 isolated_build = True
 minversion = 3.3.0