diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5d2afde..7459702 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -102,7 +102,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
-          - "3.12.0-alpha.7"
+          - "3.12.0-rc.3"
         os: [ubuntu-20.04, macos-11]
         exclude:
           - os: macos-11
@@ -180,15 +180,15 @@ jobs:
           python setup.py build_ext -i
           python setup.py bdist_wheel
 
-      - name: Install zope.container and dependencies (3.12.0-alpha.7)
-        if: matrix.python-version == '3.12.0-alpha.7'
+      - name: Install zope.container and dependencies (3.12.0-rc.3)
+        if: matrix.python-version == '3.12.0-rc.3'
         run: |
           # Install to collect dependencies into the (pip) cache.
           # Use "--pre" here because dependencies with support for this future
           # Python release may only be available as pre-releases
           pip install --pre .[test]
       - name: Install zope.container and dependencies
-        if: matrix.python-version != '3.12.0-alpha.7'
+        if: matrix.python-version != '3.12.0-rc.3'
         run: |
           # Install to collect dependencies into the (pip) cache.
           pip install .[test]
@@ -232,7 +232,7 @@ jobs:
           && startsWith(github.ref, 'refs/tags')
           && startsWith(runner.os, 'Mac')
           && !startsWith(matrix.python-version, 'pypy')
-          && !startsWith(matrix.python-version, '3.12.0-alpha.7')
+          && !startsWith(matrix.python-version, '3.12.0-rc.3')
         env:
           TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
         run: |
@@ -251,7 +251,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
-          - "3.12.0-alpha.7"
+          - "3.12.0-rc.3"
         os: [ubuntu-20.04, macos-11]
         exclude:
           - os: macos-11
@@ -288,8 +288,8 @@ jobs:
         with:
           name: zope.container-${{ runner.os }}-${{ matrix.python-version }}.whl
           path: dist/
-      - name: Install zope.container 3.12.0-alpha.7
-        if: ${{ startsWith(matrix.python-version, '3.12.0-alpha.7') }}
+      - name: Install zope.container 3.12.0-rc.3
+        if: ${{ startsWith(matrix.python-version, '3.12.0-rc.3') }}
         run: |
           pip install -U wheel setuptools
           # coverage has a wheel on PyPI for a future python version which is
@@ -303,7 +303,7 @@ jobs:
           # Python release may only be available as pre-releases
           pip install --pre -U -e .[test]
       - name: Install zope.container
-        if: ${{ !startsWith(matrix.python-version, '3.12.0-alpha.7') }}
+        if: ${{ !startsWith(matrix.python-version, '3.12.0-rc.3') }}
         run: |
           pip install -U wheel setuptools
           pip install -U coverage
diff --git a/.meta.toml b/.meta.toml
index 84c4fa1..0a17864 100644
--- a/.meta.toml
+++ b/.meta.toml
@@ -2,7 +2,7 @@
 # https://github.com/zopefoundation/meta/tree/master/config/c-code
 [meta]
 template = "c-code"
-commit-id = "fe63cb4c"
+commit-id = "b21fbbf2"
 
 [python]
 with-appveyor = true
@@ -41,6 +41,7 @@ additional-config = [
 
 [manifest]
 additional-rules = [
+    "include *.yaml",
     "include *.sh",
     "include .readthedocs.yaml",
     "include compat.cfg",
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index edbff39..e30cda5 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -1,10 +1,25 @@
+# Generated from:
+# https://github.com/zopefoundation/meta/tree/master/config/c-code
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
 version: 2
 
+# Set the version of Python and other tools you might need
 build:
-  os: "ubuntu-20.04"
+  os: ubuntu-22.04
   tools:
-    python: "3.8"
+    python: "3.11"
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: docs/conf.py
 
+# We recommend specifying your dependencies to enable reproducible builds:
+# https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
 python:
-   install:
-   - requirements: doc-requirements.txt
+  install:
+  - requirements: docs/requirements.txt
+  - method: pip
+    path: .
diff --git a/MANIFEST.in b/MANIFEST.in
index e96386c..9fcb46b 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -14,6 +14,7 @@ recursive-include docs *.txt
 recursive-include docs Makefile
 
 recursive-include src *.py
+include *.yaml
 include *.sh
 include .readthedocs.yaml
 include compat.cfg
diff --git a/doc-requirements.txt b/doc-requirements.txt
deleted file mode 100644
index e9704b8..0000000
--- a/doc-requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-.[docs]
diff --git a/docs/conf.py b/docs/conf.py
index be595f8..26778d6 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -111,7 +111,7 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'sphinx_rtd_theme'
+html_theme = 'default'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..e357901
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,2 @@
+Sphinx
+repoze.sphinx.autointerface
diff --git a/tox.ini b/tox.ini
index 0d2ab82..7cdc477 100644
--- a/tox.ini
+++ b/tox.ini
@@ -22,6 +22,8 @@ setenv =
     pure: PURE_PYTHON=1
     !pure-!pypy3: PURE_PYTHON=0
     ZOPE_INTERFACE_STRICT_IRO=1
+    py312: VIRTUALENV_PIP=23.1.2
+    py312: PIP_REQUIRE_VIRTUALENV=0
 commands =
     zope-testrunner --test-path=src {posargs:-vc}
 extras =