diff --git a/.meta.toml b/.meta.toml
index ccdecaac..98e705fe 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 = "4f0f7596"
+commit-id = "b21fbbf2"
 
 [python]
 with-pypy = false
@@ -25,6 +25,7 @@ additional-ignores = [
 
 [manifest]
 additional-rules = [
+    "include *.yaml",
     "recursive-include src *.gif",
     "recursive-include src *.objects",
     "recursive-include src *.png",
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 00000000..ecff5e78
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,25 @@
+# Generated from:
+# https://github.com/zopefoundation/meta/tree/master/config/zope-product
+# 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-22.04
+  tools:
+    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: docs/requirements.txt
+  - method: pip
+    path: .
diff --git a/MANIFEST.in b/MANIFEST.in
index 40c2b3b8..ace8da08 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -12,6 +12,7 @@ recursive-include docs *.txt
 recursive-include docs Makefile
 
 recursive-include src *.py
+include *.yaml
 recursive-include src *.gif
 recursive-include src *.objects
 recursive-include src *.png
diff --git a/rtd.txt b/docs/requirements.txt
similarity index 80%
rename from rtd.txt
rename to docs/requirements.txt
index f4eb4ef0..e3579011 100644
--- a/rtd.txt
+++ b/docs/requirements.txt
@@ -1 +1,2 @@
+Sphinx
 repoze.sphinx.autointerface
diff --git a/setup.cfg b/setup.cfg
index 46fa5052..d9a27577 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -19,9 +19,9 @@ ignore =
 force_single_line = True
 combine_as_imports = True
 sections = FUTURE,STDLIB,THIRDPARTY,ZOPE,FIRSTPARTY,LOCALFOLDER
-known_third_party = six, docutils, pkg_resources
+known_third_party = docutils, pkg_resources, pytz
 known_zope =
-known_first_party =Products.PluginRegistry, Products.StandardCacheManagers, Products.GenericSetup
+known_first_party = Products.PluginRegistry, Products.StandardCacheManagers, Products.GenericSetup
 default_section = ZOPE
 line_length = 79
 lines_after_imports = 2
diff --git a/tox.ini b/tox.ini
index b17062d8..5a96b892 100644
--- a/tox.ini
+++ b/tox.ini
@@ -71,6 +71,7 @@ commands =
 basepython = python3
 skip_install = true
 allowlist_externals =
+    {[testenv]allowlist_externals}
     mkdir
 deps =
     {[testenv]deps}