diff --git a/math/py-graphillion/Makefile b/math/py-graphillion/Makefile
index 3bb94ca5412e..ce5267fe9607 100644
--- a/math/py-graphillion/Makefile
+++ b/math/py-graphillion/Makefile
@@ -1,26 +1,31 @@
 PORTNAME=	graphillion
-DISTVERSION=	1.11
+DISTVERSION=	2.0
 CATEGORIES=	math python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 #DISTNAME=	${PORTNAME:S/g/G/}-${DISTVERSION}
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	Fast, lightweight graphset operation library in Python
 WWW=		https://github.com/takemaru/graphillion
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}future>0:devel/py-future@${PY_FLAVOR}
+BUILD_DEPENDS=	${PY_SETUPTOOLS} \
+		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist pep517
+
+post-patch:
+	@${REINPLACE_CMD} '/license-files/d; s|^license = "MIT"|license = { text = "MIT" }|' \
+		${WRKSRC}/pyproject.toml
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/_graphillion*.so
 
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} ${PYDISTUTILS_SETUP} test
 
 .include <bsd.port.mk>
diff --git a/math/py-graphillion/distinfo b/math/py-graphillion/distinfo
index 8ab9a4a5a289..864a27497240 100644
--- a/math/py-graphillion/distinfo
+++ b/math/py-graphillion/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1783274500
-SHA256 (graphillion-1.11.tar.gz) = cbf13d9e14acbae3549389da493115dd721584637d3a2665af31d0d8340c7e13
-SIZE (graphillion-1.11.tar.gz) = 1287406
+TIMESTAMP = 1783540795
+SHA256 (graphillion-2.0.tar.gz) = 7b2a74ef244d634859178a8cd8796c0a72df56fdadb0c67c1fb8b8fd68917600
+SIZE (graphillion-2.0.tar.gz) = 1214026