Index: head/security/gvm/Makefile
===================================================================
--- head/security/gvm/Makefile	(revision 560490)
+++ head/security/gvm/Makefile	(revision 560491)
@@ -1,38 +1,38 @@
 # $FreeBSD$
 
 PORTNAME=	gvm
 PORTVERSION=	20.8.0
 CATEGORIES=	security
 
 MAINTAINER=	acm@FreeBSD.org
 COMMENT=	Greenbone vulnerability management (metaport)
 
-USES=		metaport python
+USES=		metaport python:3.6+
 
 # Install GVM libraries
 RUN_DEPENDS+=	${LOCALBASE}/lib/libgvm_base.so:security/gvm-libs
 
 # Install GVM Manager
 RUN_DEPENDS+=	${LOCALBASE}/sbin/gvmd:security/gvmd
 
 # Install Scanner wrapper for OSP
 RUN_DEPENDS+=	${LOCALBASE}/bin/ospd-openvas:security/py-ospd-openvas@${PY_FLAVOR}
 
 # Install OpenVAS Scanner
 RUN_DEPENDS+=   ${LOCALBASE}/sbin/openvas:security/openvas
 
 # Install GVM Web Interface
 RUN_DEPENDS+=	${LOCALBASE}/sbin/gsad:security/greenbone-security-assistant
 
 SUB_FILES=	pkg-message
 
 OPTIONS_DEFINE=		PYTHON-GVM GVM-TOOLS
 OPTIONS_DEFAULT=	PYTHON-GVM GVM-TOOLS
 
 PYTHON-GVM_DESC=	Install GVM python API library
 GVM-TOOLS_DESC=		Install GVM tools
 
-PYTHON-GVM_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}gvm>=0:security/py-python-gvm@${PY_FLAVOR}
+PYTHON-GVM_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}python-gvm>=0:security/py-python-gvm@${PY_FLAVOR}
 GVM-TOOLS_RUN_DEPENDS=	gvm-cli:security/py-gvm-tools@${PY_FLAVOR}
 
 .include <bsd.port.mk>
Index: head/security/py-gvm-tools/Makefile
===================================================================
--- head/security/py-gvm-tools/Makefile	(revision 560490)
+++ head/security/py-gvm-tools/Makefile	(revision 560491)
@@ -1,21 +1,21 @@
 # $FreeBSD$
 
 PORTNAME=	gvm-tools
 DISTVERSION=	20.10.1
 CATEGORIES=	security python
 MASTER_SITES=   CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	acm@FreeBSD.org
 COMMENT=	The Greenbone Vulnerability Management Tools
 
 LICENSE=	GPLv3+
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}python-gvm>=0:security/py-python-gvm@${PY_FLAVOR}
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
Index: head/security/py-ospd-openvas/Makefile
===================================================================
--- head/security/py-ospd-openvas/Makefile	(revision 560490)
+++ head/security/py-ospd-openvas/Makefile	(revision 560491)
@@ -1,37 +1,37 @@
 # $FreeBSD$
 
 PORTNAME=	ospd-openvas
 DISTVERSION=	20.8.0
 CATEGORIES=	security python
 MASTER_SITES=   CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	acm@FreeBSD.org
 COMMENT=	Scanner wrapper for OSP (Open Scanner Protocol)
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}ospd>=0:security/py-ospd@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}redis>=0:databases/py-redis@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}psutil>=0:sysutils/py-psutil@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}packaging>=0:devel/py-packaging@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}defusedxml>=0:devel/py-defusedxml@${PY_FLAVOR} \
 		openvas:security/openvas
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	distutils
 
 NO_ARCH=	yes
 
 USERS=          gvm
 GROUPS=         ${USERS}
 
 USE_RC_SUBR=	${PORTNAME:S/-/_/}
 SUB_LIST=	PYTHON_CMD=${PYTHON_CMD}
 SUB_FILES=	pkg-message
 
 post-install:
 	@${MKDIR} ${STAGEDIR}/var/run/ospd
 
 .include <bsd.port.mk>
Index: head/security/py-python-gvm/Makefile
===================================================================
--- head/security/py-python-gvm/Makefile	(revision 560490)
+++ head/security/py-python-gvm/Makefile	(revision 560491)
@@ -1,19 +1,19 @@
 # $FreeBSD$
 
 PORTNAME=	python-gvm
 DISTVERSION=	20.12.1
 CATEGORIES=	security python
 MASTER_SITES=   CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	acm@FreeBSD.org
 COMMENT=	The Greenbone Vulnerability Management Python API library
 
 LICENSE=	GPLv3+
 
-USES=		python
+USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>