Index: head/www/py-drf-yasg/Makefile
===================================================================
--- head/www/py-drf-yasg/Makefile	(revision 553770)
+++ head/www/py-drf-yasg/Makefile	(revision 553771)
@@ -1,35 +1,37 @@
 # $FreeBSD$
 
 PORTNAME=	drf-yasg
-DISTVERSION=	1.17.0
-PORTREVISION=	1
+DISTVERSION=	1.20.0
 CATEGORIES=	www python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	kai@FreeBSD.org
 COMMENT=	Yet Another Swagger Generator
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.rst
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools_scm>=3.0.6:devel/py-setuptools_scm@${PY_FLAVOR}
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}django22>=1.11.7:www/py-django22@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}djangorestframework>=3.8:www/py-djangorestframework@${PY_FLAVOR} \
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}django22>=2.2.16:www/py-django22@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}djangorestframework>=3.10.3:www/py-djangorestframework@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}coreapi>=2.3.3:devel/py-coreapi@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}coreschema>=0.0.4:devel/py-coreschema@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}inflection>=0.3.1:devel/py-inflection@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}ruamel.yaml>=0.15.34:devel/py-ruamel.yaml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=1.10.0:devel/py-six@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}swagger-spec-validator>=2.1.0:devel/py-swagger-spec-validator@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}uritemplate>=3.0.0:net/py-uritemplate@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}packaging>0:devel/py-packaging@${PY_FLAVOR}
 
 USES=		python:3.5+
 USE_PYTHON=	distutils autoplist
 
 NO_ARCH=		yes
-CONFLICTS_INSTALL=	${PYTHON_PKGNAMEPREFIX}dj21-drf-yasg \
-			${PYTHON_PKGNAMEPREFIX}dj22-drf-yasg
+
+OPTIONS_DEFINE=		VALIDATION
+OPTIONS_DEFAULT=	VALIDATION
+
+VALIDATION_DESC=	Enable built-in OpenAPI validation mechanisms
+VALIDATION_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}swagger-spec-validator>=2.1.0:devel/py-swagger-spec-validator@${PY_FLAVOR}
 
 .include <bsd.port.mk>
Index: head/www/py-drf-yasg/distinfo
===================================================================
--- head/www/py-drf-yasg/distinfo	(revision 553770)
+++ head/www/py-drf-yasg/distinfo	(revision 553771)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1571128144
-SHA256 (drf-yasg-1.17.0.tar.gz) = 504cce09035cf1bace63b84d9d778b772f86bb37d8a71ed6f723346362e633b2
-SIZE (drf-yasg-1.17.0.tar.gz) = 1299955
+TIMESTAMP = 1604143828
+SHA256 (drf-yasg-1.20.0.tar.gz) = d50f197c7f02545d0b736df88c6d5cf874f8fea2507ad85ad7de6ae5bf2d9e5a
+SIZE (drf-yasg-1.20.0.tar.gz) = 1800321