diff --git a/devel/py-openapi-codec/Makefile b/devel/py-openapi-codec/Makefile
index c393df90b595..2046cb76eb1c 100644
--- a/devel/py-openapi-codec/Makefile
+++ b/devel/py-openapi-codec/Makefile
@@ -1,20 +1,23 @@
 PORTNAME=	openapi-codec
 DISTVERSION=	1.3.2
 PORTREVISION=	1
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	kai@FreeBSD.org
 COMMENT=	OpenAPI codec for Core API
 WWW=		https://github.com/core-api/python-openapi-codec
 
 LICENSE=	BSD2CLAUSE
 
+DEPRECATED=	Upstream archived the repository. Please use devel/py-openapi-core instead
+EXPIRATION_DATE=2025-06-30
+
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}coreapi>0:devel/py-coreapi@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	distutils autoplist
 NO_ARCH=	yes
 
 .include <bsd.port.mk>