diff --git a/astro/py-pyerfa/Makefile b/astro/py-pyerfa/Makefile
index 24fe4b943006..a86cd67373ea 100644
--- a/astro/py-pyerfa/Makefile
+++ b/astro/py-pyerfa/Makefile
@@ -1,22 +1,22 @@
 PORTNAME=	pyerfa
 DISTVERSION=	2.0.0
-CATEGORIES=	astro
+CATEGORIES=	astro python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	wen@FreeBSD.org
 COMMENT=	Python wrapper for the ERFA library
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.rst
 
-BUILD_DEPENDS=	${PYNUMPY} \
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numpy>=1.17.0,1:math/py-numpy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}packaging>0:devel/py-packaging@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}Jinja2>=0:devel/py-Jinja2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}setuptools_scm>0:devel/py-setuptools_scm@${PY_FLAVOR}
-RUN_DEPENDS=	${PYNUMPY}
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numpy>=1.17.0,1:math/py-numpy@${PY_FLAVOR}
 
-USES=		python:3.6+
+USES=		python:3.6-3.9
 USE_PYTHON=	autoplist distutils
 
 .include <bsd.port.mk>