diff --git a/math/py-Diofant/Makefile b/math/py-Diofant/Makefile
index 53782feb9876..e080f5fd787b 100644
--- a/math/py-Diofant/Makefile
+++ b/math/py-Diofant/Makefile
@@ -1,37 +1,40 @@
 PORTNAME=	Diofant
 DISTVERSION=	0.14.0
 CATEGORIES=	math python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python library for symbolic mathematics
 WWW=		https://github.com/diofant/diofant
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.rst
 
+DEPRECATED=	Depends on expired devel/py-pytest-runner
+EXPIRATION_DATE=2025-03-31
+
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}isort>0:devel/py-isort@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pip>0:devel/py-pip@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest-runner>0:devel/py-pytest-runner@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}setuptools-scm>0:devel/py-setuptools-scm@${PY_FLAVOR}
 # RUN_DEPENDS includes extra_reqs for convenience
 RUN_DEPENDS=	\
 		${PYTHON_PKGNAMEPREFIX}gmpy2>=2.1.0b5:math/py-gmpy2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}matplotlib>=3.3:math/py-matplotlib@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}mpmath>=0.19:math/py-mpmath@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>=1.6:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}theano>=0.9.0:math/py-theano@${PY_FLAVOR} \
 		${PYNUMPY}
 
 USES=		python
 USE_PYTHON=	distutils cython autoplist
 NO_ARCH=	yes
 
 pre-configure:
 	@( \
 		${ECHO} "from setuptools import setup" && \
 		${ECHO} "setup()" \
 	) > ${WRKSRC}/setup.py
 
 .include <bsd.port.mk>