diff --git a/math/py-spint/Makefile b/math/py-spint/Makefile
index 5bc233f38cc9..c998b79af842 100644
--- a/math/py-spint/Makefile
+++ b/math/py-spint/Makefile
@@ -1,24 +1,24 @@
 PORTNAME=	spint
 PORTVERSION=	1.0.7
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	SPatial INTeraction models
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}libpysal>=4.0.0:science/py-libpysal@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}numpy>=1.3,1:math/py-numpy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>=0.11:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}spglm>=1.0.6:math/py-spglm@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}spreg>=0:math/py-spreg@${PY_FLAVOR}
 
 USES=		python:3.7+
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>