diff --git a/math/py-permutation/Makefile b/math/py-permutation/Makefile
index bf763b7dd972..e14833db0ad9 100644
--- a/math/py-permutation/Makefile
+++ b/math/py-permutation/Makefile
@@ -1,36 +1,37 @@
 PORTNAME=	permutation
-DISTVERSION=	0.3.1
+DISTVERSION=	0.4.0
 CATEGORIES=	math python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Permutations of finitely many positive integers
 WWW=		https://github.com/jwodder/permutation
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}coverage>0:devel/py-coverage@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR}
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>0:devel/py-setuptools@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR}
+TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}coverage>0:devel/py-coverage@${PY_FLAVOR}
 
 USES=		python:3.6+
-USE_PYTHON=	distutils autoplist
+USE_PYTHON=	pep517 autoplist pytest
 
 NO_ARCH=	yes
 
 pre-configure: # permutation is officially built with "build" (https://github.com/pypa/build), but this is easily circumvented with this simple setup.py
 	@( \
 		${ECHO} "from setuptools import setup" && \
 		${ECHO} "setup()" \
 	) > ${WRKSRC}/setup.py
 
 do-test: install # instructions from tox.ini
 	@cd ${WRKSRC} && \
 		coverage erase && \
 		coverage run -m pytest --doctest-modules --pyargs permutation && \
 		coverage run -m pytest test README.rst docs/index.rst && \
 		coverage combine && \
 		coverage report
 
 .include <bsd.port.mk>
diff --git a/math/py-permutation/distinfo b/math/py-permutation/distinfo
index b2504a4808b1..7d538957ac4c 100644
--- a/math/py-permutation/distinfo
+++ b/math/py-permutation/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1633535476
-SHA256 (permutation-0.3.1.tar.gz) = fb0f87097546d4ad222169601a5c2663485ed8cac2b244e7c81c27604c1a62b7
-SIZE (permutation-0.3.1.tar.gz) = 16930
+TIMESTAMP = 1679896268
+SHA256 (permutation-0.4.0.tar.gz) = 1d33e2c90ea26c6d6dc85be14dfd78900bcce5d4c1b43363660a0b7f3bc05d32
+SIZE (permutation-0.4.0.tar.gz) = 17502