diff --git a/.dependabot/config.yml b/.dependabot/config.yml
deleted file mode 100644
index 4584924..0000000
--- a/.dependabot/config.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-# This file is managed by 'repo_helper'. Don't edit it directly.
----
-version: 1
-update_configs:
-- package_manager: python
-  directory: /
-  update_schedule: weekly
-  default_reviewers:
-  - domdfcoding
diff --git a/.github/workflows/python_ci.yml b/.github/workflows/python_ci.yml
index 8071c0b..30c445f 100644
--- a/.github/workflows/python_ci.yml
+++ b/.github/workflows/python_ci.yml
@@ -37,7 +37,7 @@ jobs:
           - {python-version: "pypy-3.6", testenvs: "pypy36", experimental: False}
           - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: False}
           - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: False}
-          - {python-version: "pypy-3.9", testenvs: "pypy39,build", experimental: True}
+          - {python-version: "pypy-3.9-v7.3.15", testenvs: "pypy39,build", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/.github/workflows/python_ci_macos.yml b/.github/workflows/python_ci_macos.yml
index 25d26d5..0be4b26 100644
--- a/.github/workflows/python_ci_macos.yml
+++ b/.github/workflows/python_ci_macos.yml
@@ -18,8 +18,8 @@ permissions:
 
 jobs:
   tests:
-    name: "macos-latest / Python ${{ matrix.config.python-version }}"
-    runs-on: "macos-latest"
+    name: "macos-13 / Python ${{ matrix.config.python-version }}"
+    runs-on: "macos-13"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
       USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10,3.11,pypy-3.7,pypy-3.8,pypy-3.9'
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b906956..5c2c574 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -8,7 +8,7 @@ ci:
 
 repos:
  - repo: https://github.com/repo-helper/pyproject-parser
-   rev: v0.9.1
+   rev: v0.11.0
    hooks:
     - id: reformat-pyproject
 
@@ -43,7 +43,7 @@ repos:
     - id: bind-requirements
 
  - repo: https://github.com/domdfcoding/flake8-dunder-all
-   rev: v0.3.1
+   rev: v0.4.1
    hooks:
     - id: ensure-dunder-all
       files: ^webcolors-stubs/.*\.py$
diff --git a/formate.toml b/formate.toml
index f9dab8a..f1b7789 100644
--- a/formate.toml
+++ b/formate.toml
@@ -6,21 +6,17 @@ noqa-reformat = 60
 ellipsis-reformat = 70
 squish_stubs = 80
 
-[config]
-indent = "\t"
-line_length = 115
-
 [hooks.yapf]
 priority = 30
 
-[hooks.isort]
-priority = 50
-
 [hooks.yapf.kwargs]
 yapf_style = ".style.yapf"
 
+[hooks.isort]
+priority = 50
+
 [hooks.isort.kwargs]
-indent = "\t\t"
+indent = "		"
 multi_line_output = 8
 import_heading_stdlib = "stdlib"
 import_heading_thirdparty = "3rd party"
@@ -46,3 +42,7 @@ known_third_party = [
     "requests",
 ]
 known_first_party = [ "webcolors",]
+
+[config]
+indent = "	"
+line_length = 115
diff --git a/pyproject.toml b/pyproject.toml
index b7bfe4e..f878eed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = [ "setuptools!=61.*,>=40.6.0", "wheel>=0.34.2",]
+requires = [ "setuptools!=61.*,<=67.1.0,>=40.6.0", "wheel>=0.34.2",]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -28,14 +28,13 @@ classifiers = [
 ]
 dynamic = [ "dependencies",]
 
+[project.license]
+file = "LICENSE"
+
 [[project.authors]]
 name = "Dominic Davis-Foster"
 email = "dominic@davis-foster.co.uk"
 
-
-[project.license]
-file = "LICENSE"
-
 [project.urls]
 Homepage = "https://github.com/domdfcoding/webcolors-stubs"
 "Issue Tracker" = "https://github.com/domdfcoding/webcolors-stubs/issues"
@@ -71,13 +70,6 @@ show_error_codes = true
 [tool.snippet-fmt]
 directives = [ "code-block",]
 
-[tool.dependency-dash."requirements.txt"]
-order = 10
-
-[tool.dependency-dash."tests/requirements.txt"]
-order = 20
-include = false
-
 [tool.snippet-fmt.languages.python]
 reformat = true
 
@@ -87,3 +79,10 @@ reformat = true
 [tool.snippet-fmt.languages.ini]
 
 [tool.snippet-fmt.languages.json]
+
+[tool.dependency-dash."requirements.txt"]
+order = 10
+
+[tool.dependency-dash."tests/requirements.txt"]
+order = 20
+include = false
diff --git a/tox.ini b/tox.ini
index 764ed68..e656082 100644
--- a/tox.ini
+++ b/tox.ini
@@ -76,6 +76,7 @@ setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
     PIP_PREFER_BINARY=1
+    UNSAFE_PYO3_SKIP_VERSION_CHECK=1
 skip_install = True
 changedir = {toxinidir}
 deps =
@@ -103,7 +104,7 @@ deps =
     flake8-github-actions>=0.1.0
     flake8-noqa>=1.1.0,<=1.2.2
     flake8-pyi>=20.10.0,<=22.8.0
-    flake8-pytest-style>=1.3.0
+    flake8-pytest-style>=1.3.0,<2
     flake8-quotes>=3.3.0
     flake8-slots>=0.1.0
     flake8-sphinx-links>=0.0.4
@@ -176,8 +177,8 @@ exclude_lines =
     raise NotImplementedError
     if 0:
     if False:
-    if TYPE_CHECKING:
-    if typing.TYPE_CHECKING:
+    if TYPE_CHECKING
+    if typing.TYPE_CHECKING
     if __name__ == .__main__.:
 
 [check-wheel-contents]