diff --git a/science/py-DendroPy/Makefile b/science/py-DendroPy/Makefile
index 09125ba1270a..76a9b4937c0f 100644
--- a/science/py-DendroPy/Makefile
+++ b/science/py-DendroPy/Makefile
@@ -1,20 +1,23 @@
 PORTNAME=	DendroPy
 PORTVERSION=	5.0.1
 CATEGORIES=	science python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	wen@FreeBSD.org
 COMMENT=	Phylogenetic computing library
 WWW=		http://packages.python.org/DendroPy/
 
 LICENSE=	BSD3CLAUSE
 
+DEPRECATED=	Depends on expired devel/py-pytest-runner
+EXPIRATION_DATE=2025-03-31
+
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pip>0:devel/py-pip@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-runner>0:devel/py-pytest-runner@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	distutils autoplist
 
 .include <bsd.port.mk>