Index: head/sysutils/py-bitrot/Makefile
===================================================================
--- head/sysutils/py-bitrot/Makefile	(revision 540969)
+++ head/sysutils/py-bitrot/Makefile	(revision 540970)
@@ -1,22 +1,22 @@
 # $FreeBSD$
 
 PORTNAME=	bitrot
 PORTVERSION=	1.0.0
 CATEGORIES=	sysutils
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	fixer@bsdmail.com
 COMMENT=	Utility to detect data corruption and bit rot
 
 LICENSE=	MIT
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}sqlite3>=0:databases/py-sqlite3@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}sqlite3>=0:databases/py-sqlite3@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.5+
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>