diff --git a/devel/py-pyro/Makefile b/devel/py-pyro/Makefile
index e2baa12e31f2..d9e470094a50 100644
--- a/devel/py-pyro/Makefile
+++ b/devel/py-pyro/Makefile
@@ -1,33 +1,36 @@
 PORTNAME=	pyro
 DISTVERSION=	4.77
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	Pyro4-${PORTVERSION}
 
 MAINTAINER=	rm@FreeBSD.org
 COMMENT=	Distributed Object Middleware for Python (IPC/RPC)
 WWW=		https://pythonhosted.org/Pyro4/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+DEPRECATED=	Upstream development stopped, not compatible with py311, use pyro5 instead
+EXPIRATION_DATE=2025-03-21
+
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}serpent>=1.27:devel/py-serpent@${PY_FLAVOR}
 
 USES=		cpe python
 USE_PYTHON=	autoplist concurrent distutils
 
 CPE_VENDOR=	pyro_project
 NO_ARCH=	yes
 PORTDOCS=	*
 PORTEXAMPLES=	*
 
 OPTIONS_DEFINE=	DOCS EXAMPLES
 
 post-install:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	(cd ${WRKSRC}/docs/source && ${COPYTREE_SHARE} . ${STAGEDIR}${DOCSDIR})
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	(cd ${WRKSRC}/examples && ${COPYTREE_SHARE} . ${STAGEDIR}${EXAMPLESDIR})
 
 .include <bsd.port.mk>