diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f53e5a92..c0806d40 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -25,7 +25,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         sphinx: [">=7,<8"]
         os: [ubuntu-latest]
         include:
diff --git a/pyproject.toml b/pyproject.toml
index b57ad5b6..2993b24f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,6 +19,7 @@ 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",
     "Topic :: Software Development :: Libraries :: Python Modules",
diff --git a/tox.ini b/tox.ini
index 55cd32fd..b2ebcee3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,7 +16,7 @@ envlist = py38-sphinx7
 [testenv]
 usedevelop = true
 
-[testenv:py{37,38,39,310,311}-sphinx{6,7}]
+[testenv:py{38,39,310,311,312}-sphinx{6,7}]
 deps =
     sphinx6: sphinx>=6,<7
     sphinx7: sphinx>=7,<8