Index: head/devel/py-taskflow/Makefile
===================================================================
--- head/devel/py-taskflow/Makefile	(revision 522399)
+++ head/devel/py-taskflow/Makefile	(revision 522400)
@@ -1,40 +1,48 @@
 # Created by: Alexander Nusov <alexander.nusov@nfvexpress.com>
 # $FreeBSD$
 
 PORTNAME=	taskflow
-PORTVERSION=	3.1.0
-PORTREVISION=	1
+PORTVERSION=	3.8.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Taskflow structured state management library
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pbr>=2.0.0:devel/py-pbr@${PY_FLAVOR}
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pbr>=2.0.0:devel/py-pbr@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}six>=1.10.0:devel/py-six@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}futurist>=1.2.0:devel/py-futurist@${PY_FLAVOR} \
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}automaton>=1.9.0:devel/py-automaton@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}cachetools>=2.0.0:devel/py-cachetools@${PY_FLAVOR} \
+		${PY_ENUM34} \
 		${PYTHON_PKGNAMEPREFIX}fasteners>=0.7.0:devel/py-fasteners@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}networkx1>=1.10:math/py-networkx1@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}contextlib2>=0.4.0:devel/py-contextlib2@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}stevedore>=1.20.0:devel/py-stevedore@${PY_FLAVOR} \
+		${PY_FUTURES} \
+		${PYTHON_PKGNAMEPREFIX}futurist>=1.2.0:devel/py-futurist@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jsonschema>=2.6.0:devel/py-jsonschema@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}automaton>=1.9.0:devel/py-automaton@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}oslo.utils>=3.33.0:devel/py-oslo.utils@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}oslo.serialization>=2.18.0:devel/py-oslo.serialization@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}tenacity>=3.2.1:devel/py-tenacity@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}cachetools>=2.0.0:devel/py-cachetools@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}debtcollector>=1.2.0:devel/py-debtcollector@${PY_FLAVOR} \
-		${PY_FUTURES} \
-		${PY_ENUM34}
+		${PYTHON_PKGNAMEPREFIX}oslo.utils>=3.33.0:devel/py-oslo.utils@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}pbr>=2.0.0:devel/py-pbr@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}pydot>=1.2.4:graphics/py-pydot@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}six>=1.10.0:devel/py-six@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}stevedore>=1.20.0:devel/py-stevedore@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}tenacity>=4.4.0:devel/py-tenacity@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${PYTHON_REL} < 3000
+RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}contextlib2>=0.4.0:devel/py-contextlib2@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}networkx>=2.1.0<2.3:math/py-networkx@${PY_FLAVOR}
+.endif
+
+.if ${PYTHON_REL} >= 3400
+RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}networkx>=2.1.0:math/py-networkx@${PY_FLAVOR}
+.endif
+
+.include <bsd.port.post.mk>
Index: head/devel/py-taskflow/distinfo
===================================================================
--- head/devel/py-taskflow/distinfo	(revision 522399)
+++ head/devel/py-taskflow/distinfo	(revision 522400)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1527593306
-SHA256 (taskflow-3.1.0.tar.gz) = 172e456e944d27837c2e9605f92776818c92a81183a58b86f61450fe391d30d8
-SIZE (taskflow-3.1.0.tar.gz) = 1062425
+TIMESTAMP = 1578401162
+SHA256 (taskflow-3.8.0.tar.gz) = d70c1b3e7fca612a4e05342bae505808a99257864980342f4125b451b3d171e2
+SIZE (taskflow-3.8.0.tar.gz) = 1063459
Index: head/devel/py-taskflow/pkg-descr
===================================================================
--- head/devel/py-taskflow/pkg-descr	(revision 522399)
+++ head/devel/py-taskflow/pkg-descr	(revision 522400)
@@ -1,5 +1,6 @@
-A library to do [jobs, tasks, flows] in a highly available, easy to understand
-and declarative manner (and more!) to be used with OpenStack and other
-projects.
+TaskFlow is a library to do [jobs, tasks, flows] in a highly available, easy to
+understand and declarative manner (and more!) to be used with OpenStack and
+other projects.
 
-WWW: https://docs.openstack.org/taskflow
+WWW: https://docs.openstack.org/taskflow/latest/
+WWW: https://github.com/openstack/taskflow