Index: head/math/py-chaospy/Makefile
===================================================================
--- head/math/py-chaospy/Makefile	(revision 542946)
+++ head/math/py-chaospy/Makefile	(revision 542947)
@@ -1,25 +1,24 @@
 # $FreeBSD$
 
 PORTNAME=	chaospy
-DISTVERSION=	3.0.18
+DISTVERSION=	3.3.5
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Toolbox for performing uncertainty quantification
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
-BUILD_DEPENDS=	${PYNUMPY} \
+RUN_DEPENDS=	${PYNUMPY} \
+		${PYTHON_PKGNAMEPREFIX}numpoly>0:math/py-numpoly@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>0:science/py-scipy@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	distutils autoplist
-NO_ARCH=	yes
 
-post-extract: # https://github.com/jonathf/chaospy/issues/167
-	@truncate -s 0 ${WRKSRC}/README.rst
+NO_ARCH=	yes
 
 .include <bsd.port.mk>
Index: head/math/py-chaospy/distinfo
===================================================================
--- head/math/py-chaospy/distinfo	(revision 542946)
+++ head/math/py-chaospy/distinfo	(revision 542947)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1578811977
-SHA256 (chaospy-3.0.18.tar.gz) = 6cce41a9d803ee1b07a4077534d191c7ac199ea28b8427cd4bbe74f046dc5a1c
-SIZE (chaospy-3.0.18.tar.gz) = 162998
+TIMESTAMP = 1595527737
+SHA256 (chaospy-3.3.5.tar.gz) = 20e811b45f1a13dee5f4d9d6d34a901a5988375a7af688e51a7950f25e77ca8e
+SIZE (chaospy-3.3.5.tar.gz) = 140804