diff --git a/net/py-url-normalize/Makefile b/net/py-url-normalize/Makefile
index 7f1f5f8e0954..d5f81e8a9de8 100644
--- a/net/py-url-normalize/Makefile
+++ b/net/py-url-normalize/Makefile
@@ -1,5 +1,6 @@
 PORTNAME=	url-normalize
 PORTVERSION=	1.4.3
+PORTREVISION=	1
 CATEGORIES=	net python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -11,10 +12,11 @@ WWW=		https://github.com/niksite/url-normalize
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}poetry-core>=0.12:devel/py-poetry-core@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}six>=0:devel/py-six@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	autoplist concurrent distutils
+USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
diff --git a/net/py-url-normalize/files/patch-pyproject.toml b/net/py-url-normalize/files/patch-pyproject.toml
new file mode 100644
index 000000000000..504c9326cedb
--- /dev/null
+++ b/net/py-url-normalize/files/patch-pyproject.toml
@@ -0,0 +1,10 @@
+--- pyproject.toml.orig	2020-10-26 02:02:45 UTC
++++ pyproject.toml
+@@ -30,5 +30,5 @@ tox = [{version="*", python="^3.6"}]
+ tox = [{version="*", python="^3.6"}]
+ 
+ [build-system]
+-build-backend = "poetry.masonry.api"
+-requires = ["poetry>=0.12"]
++build-backend = "poetry.core.masonry.api"
++requires = ["poetry-core>=0.12"]