diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index fc8f4e93..df87e39b 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -32,7 +32,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', 'pypy-3.7', 'pypy-3.8', 'pypy-3.9']
+                python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', 'pypy-3.7', 'pypy-3.8', 'pypy-3.9']
 
         steps:
         -   uses: actions/checkout@v3
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index be8e1521..9fd3041a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', 'pypy-3.7', 'pypy-3.8', 'pypy-3.9']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', 'pypy-3.7', 'pypy-3.8', 'pypy-3.9']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/pyproject.toml b/pyproject.toml
index 8ee99347..27bbbf80 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'
 dependencies = [
@@ -75,7 +76,7 @@ testpaths = [
 legacy_tox_ini = """
 [tox]
 isolated_build = True
-envlist = py37,py38,py39,py310,py311,pypy37,pypy38,pypy39,flake8,docs
+envlist = py37,py38,py39,py310,py311,py312,pypy37,pypy38,pypy39,flake8,docs
 
 [testenv]
 passenv = PWD
diff --git a/tests/venv/lib/python3.12/no-global-site-packages.txt b/tests/venv/lib/python3.12/no-global-site-packages.txt
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/venv/lib/python3.12/orig-prefix.txt b/tests/venv/lib/python3.12/orig-prefix.txt
new file mode 100644
index 00000000..6a8c723c
--- /dev/null
+++ b/tests/venv/lib/python3.12/orig-prefix.txt
@@ -0,0 +1 @@
+/Library/Frameworks/Python.framework/Versions/3.12
diff --git a/tests/venv/lib/python3.12/site-packages/easy-install.pth b/tests/venv/lib/python3.12/site-packages/easy-install.pth
new file mode 100644
index 00000000..c9177ed0
--- /dev/null
+++ b/tests/venv/lib/python3.12/site-packages/easy-install.pth
@@ -0,0 +1,3 @@
+import sys; sys.__plen = len(sys.path)
+./pip-7.7-py3.12.egg
+import sys; new=sys.path[sys.__plen:]; del sys.path[sys.__plen:]; p=getattr(sys,'__egginsert',0); sys.path[p:p]=new; sys.__egginsert = p+len(new)