diff --git a/devel/py-rstr/Makefile b/devel/py-rstr/Makefile
index e4c220221c32..79ea8be40071 100644
--- a/devel/py-rstr/Makefile
+++ b/devel/py-rstr/Makefile
@@ -1,22 +1,23 @@
 PORTNAME=	rstr
 PORTVERSION=	3.2.0
+PORTREVISION=	1
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Generate random strings in Python
 WWW=		https://github.com/leapfrogonline/rstr
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=42:devel/py-setuptools@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
+
 USES=		python:3.7+
-USE_PYTHON=	autoplist concurrent distutils
+USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
-post-patch:
-	@${CP} ${FILESDIR}/setup.py ${WRKSRC}/
-
 .include <bsd.port.mk>
diff --git a/devel/py-rstr/files/setup.py b/devel/py-rstr/files/setup.py
deleted file mode 100644
index 606849326a40..000000000000
--- a/devel/py-rstr/files/setup.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from setuptools import setup
-
-setup()