diff --git a/devel/py-prance/Makefile b/devel/py-prance/Makefile
index 5a50f2299d32..bd5761147466 100644
--- a/devel/py-prance/Makefile
+++ b/devel/py-prance/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	prance
-PORTVERSION=	0.16.2
+PORTVERSION=	0.17.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -20,8 +20,8 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}chardet>=3.0:textproc/py-chardet@${PY_FLAVOR
 		${PYTHON_PKGNAMEPREFIX}six>=1.12:devel/py-six@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}yaml>=5.1:devel/py-yaml@${PY_FLAVOR}
 
-USES=		python
-USE_PYTHON=	autoplist concurrent distutils
+USES=		python:3.4+
+USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
 
diff --git a/devel/py-prance/distinfo b/devel/py-prance/distinfo
index f35da2742cf6..09ef0fbe333d 100644
--- a/devel/py-prance/distinfo
+++ b/devel/py-prance/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1573649210
-SHA256 (prance-0.16.2.tar.gz) = 6c71755a3497639cb29548189632ca7e6335ca90bf74f8e3443a0d386b957041
-SIZE (prance-0.16.2.tar.gz) = 683181
+TIMESTAMP = 1573740354
+SHA256 (prance-0.17.0.tar.gz) = a128d0d5f639a6a19eefedd787a6ce9603634c3908927b1215653e4a8375195f
+SIZE (prance-0.17.0.tar.gz) = 685558