diff --git a/devel/py-msgpack/Makefile b/devel/py-msgpack/Makefile
index 6d1df442eaa7..7e4768da7e0c 100644
--- a/devel/py-msgpack/Makefile
+++ b/devel/py-msgpack/Makefile
@@ -1,24 +1,24 @@
 PORTNAME=	msgpack
 PORTVERSION=	1.1.2
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	MessagePack (de)serializer for Python
 WWW=		https://msgpack.org/ \
 		https://github.com/msgpack/msgpack-python
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=61:devel/py-setuptools@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	autoplist concurrent cython pep517
+USE_PYTHON=	autoplist concurrent cython3 pep517
 
 post-install:
 	${FIND} ${STAGEDIR}${PYTHON_SITELIBDIR} -name '*.so' -exec ${STRIP_CMD} {} +
 
 .include <bsd.port.mk>