diff --git a/devel/cpp2py/Makefile b/devel/cpp2py/Makefile
index 4a4d9b7f70ca..0052a10ea1ea 100644
--- a/devel/cpp2py/Makefile
+++ b/devel/cpp2py/Makefile
@@ -1,38 +1,40 @@
 PORTNAME=	cpp2py
 DISTVERSION=	2.0.0
 PORTREVISION=	4
 CATEGORIES=	devel
 
 PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
 PATCHFILES=	44d5238ab4f05ed4064736ffd2f2b63438d3f64c.patch:-p1 # fix build on i386
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Reflection tools based on clang
 WWW=		https://github.com/TRIQS/cpp2py
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
-PY_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numpy>=1.16:math/py-numpy@${PY_FLAVOR} \
+BUILD_DEPENDS=	${PY_SETUPTOOLS} \
+		${PYTHON_PKGNAMEPREFIX}wheel>0:devel/py-wheel@${PY_FLAVOR}
+PY_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numpy>0:math/py-numpy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}h5py>0:science/py-h5py@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}mako>0:textproc/py-mako@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>0:science/py-scipy@${PY_FLAVOR}
-BUILD_DEPENDS=	${PY_DEPENDS}
+BUILD_DEPENDS+=	${PY_DEPENDS}
 RUN_DEPENDS=	${PY_DEPENDS}
 
 USES=		cmake compiler:c++14-lang gettext-runtime python shebangfix
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	TRIQS
 
 SHEBANG_FILES=	bin/c*
 
 CMAKE_ARGS=	-DPYTHON_INTERPRETER:STRING=${PYTHON_CMD}
 
 PORTSCOUT=	limit:^[0-9\.]*$$
 
 post-install: # remove the unnecessary file: https://github.com/TRIQS/cpp2py/issues/41
 	@${RM} ${STAGEDIR}${PREFIX}/share/cpp2pyvars.sh
 
 .include <bsd.port.mk>