diff --git a/devel/py-unidiff/Makefile b/devel/py-unidiff/Makefile
index 686d9ae6ecc1..7ef4c3446b5c 100644
--- a/devel/py-unidiff/Makefile
+++ b/devel/py-unidiff/Makefile
@@ -1,20 +1,22 @@
 PORTNAME=	unidiff
-DISTVERSION=	0.7.5
-PORTREVISION=	1
+DISTVERSION=	1.0.0
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	Python library to parse and interact with unified diff data
 WWW=		https://github.com/matiasb/python-unidiff
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PY_SETUPTOOLS} \
+		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
+
 USES=		python
-USE_PYTHON=	autoplist concurrent distutils
+USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/devel/py-unidiff/distinfo b/devel/py-unidiff/distinfo
index 7c590afafec6..ebe3637eeee4 100644
--- a/devel/py-unidiff/distinfo
+++ b/devel/py-unidiff/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1709552983
-SHA256 (unidiff-0.7.5.tar.gz) = 2e5f0162052248946b9f0970a40e9e124236bf86c82b70821143a6fc1dea2574
-SIZE (unidiff-0.7.5.tar.gz) = 20931
+TIMESTAMP = 1785088740
+SHA256 (unidiff-1.0.0.tar.gz) = 5e5d5cfab2dc98be819b74747ab7d9f5af8695369ec8710b93f9ab0f0ae6a449
+SIZE (unidiff-1.0.0.tar.gz) = 29365