diff --git a/devel/py-pyyaml/Makefile b/devel/py-pyyaml/Makefile
index d9186aff1859..4cb05ac6621c 100644
--- a/devel/py-pyyaml/Makefile
+++ b/devel/py-pyyaml/Makefile
@@ -1,46 +1,48 @@
 PORTNAME=	pyyaml
 PORTVERSION=	6.0.1
 PORTREVISION=	1
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	PyYAML-${PORTVERSION}
 
 MAINTAINER=	python@FreeBSD.org
 COMMENT=	Python YAML parser
 WWW=		https://pyyaml.org/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cython>=0:lang/cython@${PY_FLAVOR}
+
 USES=		python
-USE_PYTHON=	autoplist concurrent cython distutils
+USE_PYTHON=	autoplist concurrent distutils
 
 OPTIONS_DEFINE=	LIBYAML EXAMPLES
 OPTIONS_DEFAULT=LIBYAML
 LIBYAML_DESC=	Use textproc/libyaml for faster parsing
 
 LIBYAML_LIB_DEPENDS=	libyaml.so:textproc/libyaml
 
 .include <bsd.port.pre.mk>
 
 .if ${PORT_OPTIONS:MLIBYAML}
 PYDISTUTILS_SETUP+=		--with-libyaml
 PYDISTUTILS_BUILD_TARGET=	build_ext
 PYDISTUTILS_BUILDARGS+=		--include-dirs=${LOCALBASE}/include \
 				--library-dirs=${LOCALBASE}/lib
 .else
 PYDISTUTILS_SETUP+=		--without-libyaml
 NO_ARCH=			yes
 .endif
 
 post-install-EXAMPLES-on:
 	@(cd ${WRKSRC}/examples && ${COPYTREE_SHARE} . ${STAGEDIR}${EXAMPLESDIR}/)
 
 post-install-LIBYAML-on:
 	@${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/yaml/_yaml*.so
 
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} ${PYDISTUTILS_SETUP} test
 
 .include <bsd.port.post.mk>