diff --git a/security/py-pysha3/Makefile b/security/py-pysha3/Makefile
index bbc4058b21f9..3381390deea6 100644
--- a/security/py-pysha3/Makefile
+++ b/security/py-pysha3/Makefile
@@ -1,26 +1,34 @@
 PORTNAME=	pysha3
 DISTVERSION=	1.0.2
 CATEGORIES=	security python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	SHA-3 (Keccak) for Python
 WWW=		https://bitbucket.org/tiran/pykeccak
 
 LICENSE=	PSFL
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+DEPRECATED=	Merged into python standard library since version 3.6
+EXPIRATION_DATE=	2024-02-16
 BROKEN_mips64=		fails to compile: KeccakP-1600-opt64.c: error: Not yet implemented
 
 # Actually Python 2.7,3.4+
-USES=		python
+USES=		python:-3.6
 USE_PYTHON=	autoplist distutils
 
+.include <bsd.port.pre.mk>
+
+.if ${PYTHON_REL} > 30600
+IGNORE=	Does not support python 3.9 and later
+.endif
+
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/_pysha3*.so
 
 do-test:
 	@cd ${TEST_WRKSRC} && ${SETENV} ${TEST_ENV} ${PYTHON_CMD} ${PYDISTUTILS_SETUP} test
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>