Index: head/sysutils/py-dict-toolbox/Makefile
===================================================================
--- head/sysutils/py-dict-toolbox/Makefile	(revision 552040)
+++ head/sysutils/py-dict-toolbox/Makefile	(revision 552041)
@@ -1,23 +1,24 @@
 # Created by: Kirill Ponomarev <krion@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	dict-toolbox
 PORTVERSION=	1.9
+PORTREVISION=	1
 CATEGORIES=	sysutils python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	krion@FreeBSD.org
 COMMENT=	Collection of python dictionary management tools
 
 LICENSE=	APACHE20
 
-USES=		python shebangfix
+USES=		python:3.6+ shebangfix
 USE_PYTHON=	autoplist distutils
 
 USE_GITLAB=	yes
 GL_ACCOUNT=	saltstack/open
 GL_COMMIT=	28a88a35a597d0f4eff7a607e2a458befc68b2a7
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>