diff --git a/textproc/py-myst-parser/Makefile b/textproc/py-myst-parser/Makefile
index 4c61e27ca6cc..690a8c176e29 100644
--- a/textproc/py-myst-parser/Makefile
+++ b/textproc/py-myst-parser/Makefile
@@ -1,30 +1,29 @@
 PORTNAME=	myst-parser
 PORTVERSION=	0.18.1
+PORTREVISION=	1
 CATEGORIES=	textproc python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Extended commonmark compliant parser with bridges to docutils & sphinx
 WWW=		https://github.com/executablebooks/MyST-Parser
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}flit-core>=3.4<4:devel/py-flit-core@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}docutils>=0.15,1<0.20,1:textproc/py-docutils@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}Jinja2>=0:devel/py-Jinja2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}markdown-it-py>=1.0.0<3.0.0:textproc/py-markdown-it-py@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}mdit-py-plugins>=0.3.1<0.4:textproc/py-mdit-py-plugins@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}yaml>=0:devel/py-yaml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sphinx>=4,1<6,1:textproc/py-sphinx@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}typing-extensions>=0:devel/py-typing-extensions@${PY_FLAVOR}
 
 USES=		python:3.7+
-USE_PYTHON=	autoplist concurrent distutils
+USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
-post-patch:
-	@${SED} -e 's|%%PORTVERSION%%|${PORTVERSION}|' ${FILESDIR}/setup.py > ${WRKSRC}/setup.py
-
 .include <bsd.port.mk>
diff --git a/textproc/py-myst-parser/files/setup.py b/textproc/py-myst-parser/files/setup.py
deleted file mode 100644
index 9ee4305c51d1..000000000000
--- a/textproc/py-myst-parser/files/setup.py
+++ /dev/null
@@ -1,68 +0,0 @@
-#!/usr/bin/env python
-# setup.py generated by flit for tools that don't yet use PEP 517
-
-from distutils.core import setup
-
-packages = \
-['myst_parser',
- 'myst_parser.config',
- 'myst_parser.mdit_to_docutils',
- 'myst_parser.parsers',
- 'myst_parser.sphinx_ext']
-
-package_data = \
-{'': ['*']}
-
-install_requires = \
-['docutils>=0.15,<0.20',
- 'jinja2',
- 'markdown-it-py>=1.0.0,<3.0.0',
- 'mdit-py-plugins~=0.3.1',
- 'pyyaml',
- 'sphinx>=4,<6',
- 'typing-extensions']
-
-extras_require = \
-{'code_style': ['pre-commit~=2.12'],
- 'linkify': ['linkify-it-py~=1.0'],
- 'rtd': ['ipython',
-         'sphinx-book-theme',
-         'sphinx-design',
-         'sphinxext-rediraffe~=0.2.7',
-         'sphinxcontrib.mermaid~=0.7.1',
-         'sphinxext-opengraph~=0.6.3'],
- 'testing': ['beautifulsoup4',
-             'coverage[toml]',
-             'pytest>=6,<7',
-             'pytest-cov',
-             'pytest-regressions',
-             'pytest-param-files~=0.3.4',
-             'sphinx-pytest',
-             'sphinx<5.2']}
-
-entry_points = \
-{'console_scripts': ['myst-anchors = myst_parser.cli:print_anchors',
-                     'myst-docutils-html = '
-                     'myst_parser.parsers.docutils_:cli_html',
-                     'myst-docutils-html5 = '
-                     'myst_parser.parsers.docutils_:cli_html5',
-                     'myst-docutils-latex = '
-                     'myst_parser.parsers.docutils_:cli_latex',
-                     'myst-docutils-pseudoxml = '
-                     'myst_parser.parsers.docutils_:cli_pseudoxml',
-                     'myst-docutils-xml = '
-                     'myst_parser.parsers.docutils_:cli_xml']}
-
-setup(name='myst-parser',
-      version='%%PORTVERSION%%',
-      description='An extended commonmark compliant parser, with bridges to docutils & sphinx.',
-      author=None,
-      author_email='Chris Sewell <chrisj_sewell@hotmail.com>',
-      url=None,
-      packages=packages,
-      package_data=package_data,
-      install_requires=install_requires,
-      extras_require=extras_require,
-      entry_points=entry_points,
-      python_requires='>=3.7',
-     )