diff --git a/textproc/py-mdformat/Makefile b/textproc/py-mdformat/Makefile
index 989ab1be270d..b7c930b72f33 100644
--- a/textproc/py-mdformat/Makefile
+++ b/textproc/py-mdformat/Makefile
@@ -1,54 +1,54 @@
 # XXX: see below (post-patch target) before updating
 PORTNAME=	mdformat
 DISTVERSION=	0.7.22
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	textproc python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	nivit@FreeBSD.org
 COMMENT=	CommonMark compliant Markdown formatter
 WWW=		https://github.com/hukkin/mdformat
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=61.0.0:devel/py-setuptools@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>=0.41.3:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}importlib-metadata>=3.6.0:devel/py-importlib-metadata@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}markdown-it-py>=1<5:textproc/py-markdown-it-py@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}mdurl>=0.1.2:textproc/py-mdurl@${PY_FLAVOR} \
 		${PY_TOMLI} \
 		${PYTHON_PKGNAMEPREFIX}zipp>=0.5:devel/py-zipp@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}covdefaults>=2.3.0_1:devel/py-covdefaults@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-cov>=4.1.0:devel/py-pytest-cov@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-randomly>=3.12.0:devel/py-pytest-randomly@${PY_FLAVOR}
 
 USES=		python
 USE_GITHUB=	yes
 GH_ACCOUNT=	executablebooks
 USE_PYTHON=	autoplist pep517 pytest
 
 NO_ARCH=	yes
 
 OPTIONS_DEFINE=	DOCS
 
 DOCS_BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}docutils>=0.18.1:textproc/py-docutils@${PY_FLAVOR} \
 			${PYTHON_PKGNAMEPREFIX}furo>=2022.6.21:textproc/py-furo@${PY_FLAVOR} \
 			${PYTHON_PKGNAMEPREFIX}myst-parser>=0.18.0:textproc/py-myst-parser@${PY_FLAVOR} \
 			${PYTHON_PKGNAMEPREFIX}sphinx>=5.4.0:textproc/py-sphinx@${PY_FLAVOR}
 DOCS_PORTDOCS=		* .buildinfo
 
 # tests: 4282 passed, 5 skipped (require Python 3.13+)
 TEST_ENV=	PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 
 # XXX: remove this target as soon as devel/py-setuptools is updated to version >= 69
 post-patch:
 	@${REINPLACE_CMD} \
 		-e 's/\(setuptools>=\)69/\163/1' \
 		${WRKSRC}/pyproject.toml
 
 post-install-DOCS-on:
 			${LOCALBASE}/bin/sphinx-build-${PYTHON_VER} \
 				-d ${WRKDIR} -b html -n ${WRKSRC}/docs ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>
diff --git a/textproc/py-mdformat/files/patch-src_mdformat___conf.py b/textproc/py-mdformat/files/patch-src_mdformat___conf.py
new file mode 100644
index 000000000000..772ec1c6678b
--- /dev/null
+++ b/textproc/py-mdformat/files/patch-src_mdformat___conf.py
@@ -0,0 +1,22 @@
+--- src/mdformat/_conf.py.orig	2025-01-30 17:57:20 UTC
++++ src/mdformat/_conf.py
+@@ -1,6 +1,6 @@ from __future__ import annotations
+ from __future__ import annotations
+ 
+-import functools
++import functools, os
+ from pathlib import Path
+ from types import MappingProxyType
+ from typing import Mapping
+@@ -35,7 +35,10 @@ def read_toml_opts(conf_dir: Path) -> tuple[Mapping, P
+ @functools.lru_cache()
+ def read_toml_opts(conf_dir: Path) -> tuple[Mapping, Path | None]:
+     conf_path = conf_dir / ".mdformat.toml"
+-    if not conf_path.is_file():
++    # conf_path.is_file() throws an exception when trying to access /net,
++    # a directory used only by autoconf with special attributes.
++    # https://github.com/hukkin/mdformat/issues/565#issuecomment-3697204512
++    if not os.path.isfile(str(conf_path)):
+         parent_dir = conf_dir.parent
+         if conf_dir == parent_dir:
+             return {}, None