diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index deb6535..2e30321 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -17,28 +17,29 @@ jobs:
       fail-fast: false
       matrix:
         os:
-        - ["ubuntu", "ubuntu-20.04"]
+        - ["ubuntu", "ubuntu-latest"]
         config:
         # [Python version, tox env]
-        - ["3.9",   "lint"]
-        - ["3.7",   "py37"]
+        - ["3.11",  "release-check"]
+        - ["3.11",  "lint"]
         - ["3.8",   "py38"]
         - ["3.9",   "py39"]
         - ["3.10",  "py310"]
         - ["3.11",  "py311"]
-        - ["3.9",   "coverage"]
+        - ["3.12",  "py312"]
+        - ["3.11",   "coverage"]
 
     runs-on: ${{ matrix.os[1] }}
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
     name: ${{ matrix.config[1] }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.config[0] }}
     - name: Pip cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ matrix.config[0] }}-${{ hashFiles('setup.*', 'tox.ini') }}
@@ -50,7 +51,11 @@ jobs:
         python -m pip install --upgrade pip
         pip install tox
     - name: Test
+      if: ${{ !startsWith(runner.os, 'Mac') }}
       run: tox -e ${{ matrix.config[1] }}
+    - name: Test (macOS)
+      if: ${{ startsWith(runner.os, 'Mac') }}
+      run: tox -e ${{ matrix.config[1] }}-universal2
     - name: Coverage
       if: matrix.config[1] == 'coverage'
       run: |
diff --git a/.meta.toml b/.meta.toml
index c924fdd..71baa3e 100644
--- a/.meta.toml
+++ b/.meta.toml
@@ -2,7 +2,7 @@
 # https://github.com/zopefoundation/meta/tree/master/config/zope-product
 [meta]
 template = "zope-product"
-commit-id = "e5c611fb"
+commit-id = "b1221c3c"
 
 [python]
 with-pypy = false
@@ -10,6 +10,7 @@ with-sphinx-doctests = false
 with-windows = false
 with-future-python = false
 with-macos = false
+with-docs = false
 
 [tox]
 use-flake8 = true
diff --git a/CHANGES.rst b/CHANGES.rst
index d11a5f4..f815d35 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,10 +1,14 @@
 Changelog
 =========
 
-4.1 (unreleased)
+5.0 (unreleased)
 ----------------
 
 
+* Add support for Python 3.12.
+
+* Drop support for Python 3.7.
+
 4.0 (2023-02-01)
 ----------------
 
diff --git a/setup.cfg b/setup.cfg
index 66b1ca8..a7bfdb4 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,7 +1,5 @@
 # Generated from:
 # https://github.com/zopefoundation/meta/tree/master/config/zope-product
-[bdist_wheel]
-universal = 0
 
 [flake8]
 doctests = 1
@@ -17,7 +15,7 @@ ignore =
 force_single_line = True
 combine_as_imports = True
 sections = FUTURE,STDLIB,THIRDPARTY,ZOPE,FIRSTPARTY,LOCALFOLDER
-known_third_party = six, docutils, pkg_resources, pytz
+known_third_party = docutils, pkg_resources, pytz
 known_zope =
 known_first_party =
 default_section = ZOPE
diff --git a/setup.py b/setup.py
index bf1ae70..dd7c557 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name='five.localsitemanager',
-    version='4.1.dev0',
+    version='5.0.dev0',
     url='https://github.com/zopefoundation/five.localsitemanager',
     project_urls={
         'Issue Tracker': ('https://github.com/zopefoundation/'
@@ -24,11 +24,11 @@
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         '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',
         'Topic :: Internet :: WWW/HTTP :: Site Management',
     ],
@@ -37,7 +37,7 @@
     package_dir={'': 'src'},
     namespace_packages=['five'],
     include_package_data=True,
-    python_requires='>=3.7',
+    python_requires='>=3.8',
     install_requires=[
         'Acquisition',
         'persistent',
diff --git a/src/five/localsitemanager/registry.py b/src/five/localsitemanager/registry.py
index d18e6ac..406faae 100644
--- a/src/five/localsitemanager/registry.py
+++ b/src/five/localsitemanager/registry.py
@@ -231,7 +231,7 @@ def __repr__(self):
         path = getattr(site, 'getPhysicalPath', None)
         if path is not None and callable(path):
             url = '/'.join(path())
-        return "<{} {}>".format(self.__class__.__name__, url)
+        return f"<{self.__class__.__name__} {url}>"
 
     def registeredUtilities(self):
         for reg in super().registeredUtilities():
diff --git a/tox.ini b/tox.ini
index 7a15909..4a3a438 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,23 +3,45 @@
 [tox]
 minversion = 3.18
 envlist =
+    release-check
     lint
-    py37
     py38
     py39
     py310
     py311
+    py312
     coverage
 
 [testenv]
 skip_install = true
 deps =
+    setuptools < 69
     zc.buildout >= 3.0.1
     wheel > 0.37
+setenv =
+    py312: VIRTUALENV_PIP=23.1.2
+    py312: PIP_REQUIRE_VIRTUALENV=0
 commands_pre =
     {envbindir}/buildout -nc {toxinidir}/buildout.cfg buildout:directory={envdir} buildout:develop={toxinidir} install test
 commands =
-    {envdir}/bin/test {posargs:-cv}
+    {envbindir}/test {posargs:-cv}
+
+[testenv:release-check]
+description = ensure that the distribution is ready to release
+basepython = python3
+skip_install = true
+deps =
+    twine
+    build
+    check-manifest
+    check-python-versions >= 0.20.0
+    wheel
+commands_pre =
+commands =
+    check-manifest
+    check-python-versions --only setup.py,tox.ini,.github/workflows/tests.yml
+    python -m build --sdist --no-isolation
+    twine check dist/*
 
 [testenv:lint]
 basepython = python3
@@ -30,11 +52,7 @@ allowlist_externals =
 commands =
     isort --check-only --diff {toxinidir}/src {toxinidir}/setup.py
     flake8 {toxinidir}/src {toxinidir}/setup.py
-    check-manifest
-    check-python-versions
 deps =
-    check-manifest
-    check-python-versions
     flake8
     isort
     # Useful flake8 plugins that are Python and Plone specific:
@@ -54,13 +72,14 @@ commands =
 basepython = python3
 skip_install = true
 allowlist_externals =
+    {[testenv]allowlist_externals}
     mkdir
 deps =
     {[testenv]deps}
     coverage
 commands =
     mkdir -p {toxinidir}/parts/htmlcov
-    coverage run {envdir}/bin/test {posargs:-cv}
+    coverage run {envbindir}/test {posargs:-cv}
     coverage html
     coverage report -m --fail-under=89
 
@@ -70,6 +89,7 @@ source = five.localsitemanager
 
 [coverage:report]
 precision = 2
+ignore_errors = True
 exclude_lines =
     pragma: no cover
     pragma: nocover