diff --git a/devel/py-yg.lockfile/Makefile b/devel/py-yg.lockfile/Makefile
index 08470d370a0e..e2fba9c510ec 100644
--- a/devel/py-yg.lockfile/Makefile
+++ b/devel/py-yg.lockfile/Makefile
@@ -1,25 +1,28 @@
 PORTNAME=	yg.lockfile
 PORTVERSION=	2.3
 PORTREVISION=	4
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	kai@FreeBSD.org
 COMMENT=	Provides lockfile objects with timeouts and context manager
 WWW=		https://github.com/yougov/yg.lockfile
 
 LICENSE=	MIT
 
+DEPRECATED=	Upstream inactive since 8+ years, please use devel/py-fasteners instead
+EXPIRATION_DATE=2026-08-15
+
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools-scm>=1.15.0:devel/py-setuptools-scm@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}zc.lockfile>=0:devel/py-zc.lockfile@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}contextlib2>=0.5:devel/py-contextlib2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jaraco.functools>=1.16:devel/py-jaraco.functools@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tempora>=0:devel/py-tempora@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	distutils autoplist
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>