diff --git a/misc/py-spdx/Makefile b/misc/py-spdx/Makefile
index f5a04198cc3a..9c90c6537005 100644
--- a/misc/py-spdx/Makefile
+++ b/misc/py-spdx/Makefile
@@ -1,23 +1,26 @@
 PORTNAME=	spdx
 PORTVERSION=	2.5.1
 PORTREVISION=	1
 CATEGORIES=	misc python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	SPDX license list database
 WWW=		https://github.com/bbqsrc/spdx-python
 
 LICENSE=	CC0-1.0
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+DEPRECATED=	Upstream repository has been archived on Nov 13, 2020
+EXPIRATION_DATE=2025-02-28
+
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=0:devel/py-setuptools@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist concurrent pep517
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>