diff --git a/pyproject.toml b/pyproject.toml
index 6bfd55b13d..202220f17b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,11 +2,11 @@
 # NOTE: Keep this in sync with `requirements/dist-build-constraints.in`
 # NOTE: at all times.
 requires = [
-    # Essentials
-    "setuptools >= 61.2",
+  # Essentials
+  "setuptools >= 61.2",
 
-    # Plugins
-    "setuptools-scm >= 7.0.0",
+  # Plugins
+  "setuptools-scm >= 7.0.0",
 ]
 build-backend = "setuptools.build_meta"
 
@@ -14,42 +14,42 @@ build-backend = "setuptools.build_meta"
 name = "cheroot"
 description = "Highly-optimized, pure-python HTTP server"
 classifiers = [
-    "Development Status :: 5 - Production/Stable",
-    "Environment :: Web Environment",
-    "Intended Audience :: Developers",
-    "Operating System :: OS Independent",
-    "Framework :: CherryPy",
-    "License :: OSI Approved :: BSD License",
-    "Programming Language :: Python",
-    "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
-    "Programming Language :: Python :: Implementation",
-    "Programming Language :: Python :: Implementation :: CPython",
-    "Programming Language :: Python :: Implementation :: Jython",
-    "Programming Language :: Python :: Implementation :: PyPy",
-    "Topic :: Internet :: WWW/HTTP",
-    "Topic :: Internet :: WWW/HTTP :: HTTP Servers",
-    "Topic :: Internet :: WWW/HTTP :: WSGI",
-    "Topic :: Internet :: WWW/HTTP :: WSGI :: Server",
-    "Typing :: Typed",
+  "Development Status :: 5 - Production/Stable",
+  "Environment :: Web Environment",
+  "Intended Audience :: Developers",
+  "Operating System :: OS Independent",
+  "Framework :: CherryPy",
+  "License :: OSI Approved :: BSD License",
+  "Programming Language :: Python",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3 :: Only",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: Implementation",
+  "Programming Language :: Python :: Implementation :: CPython",
+  "Programming Language :: Python :: Implementation :: Jython",
+  "Programming Language :: Python :: Implementation :: PyPy",
+  "Topic :: Internet :: WWW/HTTP",
+  "Topic :: Internet :: WWW/HTTP :: HTTP Servers",
+  "Topic :: Internet :: WWW/HTTP :: WSGI",
+  "Topic :: Internet :: WWW/HTTP :: WSGI :: Server",
+  "Typing :: Typed",
 ]
 keywords = [
-    "http",
-    "server",
-    "ssl",
-    "wsgi",
+  "http",
+  "server",
+  "ssl",
+  "wsgi",
 ]
 requires-python = ">= 3.8"
 dependencies = [
-    "more_itertools >= 2.6",
-    "jaraco.functools",
+  "more_itertools >= 2.6",
+  "jaraco.functools",
 ]
 dynamic = [
-    "version",
+  "version",
 ]
 
 [[project.authors]]
@@ -71,16 +71,16 @@ content-type = "text/x-rst"
 
 [project.optional-dependencies]
 docs = [
-    # upstream
-    "sphinx >= 1.8.2",
-    "jaraco.packaging >= 3.2",
-    "sphinx-tabs >= 1.1.0",
+  # upstream
+  "sphinx >= 1.8.2",
+  "jaraco.packaging >= 3.2",
+  "sphinx-tabs >= 1.1.0",
 
-    # local
-    "furo",
-    # `scm_tag_titles_ext` extension dep in docs/
-    "python-dateutil",
-    "sphinxcontrib-apidoc >= 0.3.0",
+  # local
+  "furo",
+  # `scm_tag_titles_ext` extension dep in docs/
+  "python-dateutil",
+  "sphinxcontrib-apidoc >= 0.3.0",
 ]
 
 [project.scripts]