diff --git a/devel/py-isort/Makefile b/devel/py-isort/Makefile
index 324daa577b6b..67c22107056c 100644
--- a/devel/py-isort/Makefile
+++ b/devel/py-isort/Makefile
@@ -1,30 +1,20 @@
 # $FreeBSD$
 
 PORTNAME=	isort
-PORTVERSION=	4.3.21
+PORTVERSION=	5.6.4
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Python utility/library to sort Python imports
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	${PY_FUTURES}
-TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>=0:devel/py-mock@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest@${PY_FLAVOR}
-
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
-.include <bsd.port.pre.mk>
-
-.if ${PYTHON_REL} < 3200
-RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}backports.functools_lru_cache>=0:devel/py-backports.functools_lru_cache@${PY_FLAVOR}
-.endif
-
-.include <bsd.port.post.mk>
+.include <bsd.port.mk>
diff --git a/devel/py-isort/distinfo b/devel/py-isort/distinfo
index e44c8a0d398d..936ed102e9d0 100644
--- a/devel/py-isort/distinfo
+++ b/devel/py-isort/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1561659066
-SHA256 (isort-4.3.21.tar.gz) = 54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1
-SIZE (isort-4.3.21.tar.gz) = 69546
+TIMESTAMP = 1607539985
+SHA256 (isort-5.6.4.tar.gz) = dcaeec1b5f0eca77faea2a35ab790b4f3680ff75590bfcb7145986905aab2f58
+SIZE (isort-5.6.4.tar.gz) = 90984
diff --git a/devel/py-isort/pkg-descr b/devel/py-isort/pkg-descr
index 96dcefa6ac59..e7cd0fb2efec 100644
--- a/devel/py-isort/pkg-descr
+++ b/devel/py-isort/pkg-descr
@@ -1,6 +1,5 @@
 isort is a Python utility/library to sort imports alphabetically, and
 automatically separated into sections. It provides a command line utility,
 Python library and plugins for various editors to quickly sort all your imports.
 
-WWW: https://pypi.org/project/isort/
-WWW: https://github.com/timothycrosley/isort
+WWW: https://github.com/PyCQA/isort