diff --git a/math/py-numpoly/Makefile b/math/py-numpoly/Makefile
index 5d8550efbd99..b682275e0ffd 100644
--- a/math/py-numpoly/Makefile
+++ b/math/py-numpoly/Makefile
@@ -1,20 +1,22 @@
 PORTNAME=	numpoly
 DISTVERSION=	1.2.3
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Create/manipulate/evaluate polynomial arrays based on numpy.ndarray
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BROKEN=		Requires numpy>=1.20, current numpy is 1.16.6, pending bug#251626
+
 RUN_DEPENDS=	${PYNUMPY}
 
 USES=		python:3.6+
 USE_PYTHON=	distutils autoplist
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>