diff --git a/math/py-lrcalc/Makefile b/math/py-lrcalc/Makefile
index fd774e348379..7eec8290a926 100644
--- a/math/py-lrcalc/Makefile
+++ b/math/py-lrcalc/Makefile
@@ -1,27 +1,29 @@
 PORTNAME=	lrcalc
 PORTVERSION=	2.1
 PORTREVISION=	3
 CATEGORIES=	math python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DIST_SUBDIR=	python
 
 MAINTAINER=	thierry@FreeBSD.org
 COMMENT=	Python bindings for lrcal
 WWW=		http://sites.math.rutgers.edu/~asbuch/lrcalc/
 
 LICENSE=	GPLv3
 
+BUILD_DEPENDS=	${PY_SETUPTOOLS}	\
+		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 LIB_DEPENDS=	liblrcalc.so:math/lrcalc
 
 USES=		localbase python
 
 USE_PYTHON=	cython pep517
 
 .if !defined(WITH_DEBUG)
 LDFLAGS+=	-s
 .endif
 
 PLIST_SUB=	VER=${PORTVERSION}
 
 .include <bsd.port.mk>