Index: head/dns/py-aiodns/Makefile
===================================================================
--- head/dns/py-aiodns/Makefile	(revision 522614)
+++ head/dns/py-aiodns/Makefile	(revision 522615)
@@ -1,31 +1,31 @@
 # Created by: Waitman Gobble <waitman@waitman.net>
 # $FreeBSD$
 
 PORTNAME=	aiodns
 PORTVERSION=	1.1.1
 PORTREVISION=	1
 CATEGORIES=	dns python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	waitman@waitman.net
 COMMENT=	Simple DNS resolver for asyncio
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pycares>0:dns/py-pycares@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.5+
 USE_PYTHON=	autoplist concurrent distutils
 NO_ARCH=	yes
 
 PORTDOCS=	README.rst
 
 OPTIONS_DEFINE=	DOCS
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/README.rst ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>