diff --git a/math/py-logical-unification/Makefile b/math/py-logical-unification/Makefile
index acf64da08928..0cb15bbc912b 100644
--- a/math/py-logical-unification/Makefile
+++ b/math/py-logical-unification/Makefile
@@ -1,28 +1,28 @@
 PORTNAME=	logical-unification
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.4.6
 CATEGORIES=	math python
 #MASTER_SITES=	PYPI # no tests
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Logical unification in Python
 WWW=		https://github.com/pythological/unification/
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}versioneer>0:devel/py-versioneer@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}multipledispatch>0:devel/py-multipledispatch@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}toolz>0:devel/py-toolz@${PY_FLAVOR}
 
-USES=		python:3.7+
+USES=		python
 USE_PYTHON=	distutils autoplist pytest
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	pythological
 GH_PROJECT=	unification
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>