diff --git a/dns/knock/Makefile b/dns/knock/Makefile
index a058c8c4756c..2731907736d7 100644
--- a/dns/knock/Makefile
+++ b/dns/knock/Makefile
@@ -1,28 +1,31 @@
 PORTNAME=	knock
 DISTVERSION=	5.4.0
 PORTREVISION=	2
 CATEGORIES=	dns
 PKGNAMESUFFIX=	py
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Tool designed to enumerate subdomains on a target domain
 WWW=		https://github.com/guelfoweb/knock
 
 LICENSE=	GPLv2
 
+DEPRECATED=	Depends on deprecated devel/py-qt5-pyqt
+EXPIRATION_DATE=	2023-11-28
+
 PY_DEPENDS=	${PYTHON_PKGNAMEPREFIX}beautifulsoup>0:www/py-beautifulsoup@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}colorama>0:devel/py-colorama@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests>0:www/py-requests@${PY_FLAVOR}
 BUILD_DEPENDS=	${PY_DEPENDS}
 RUN_DEPENDS=	${PY_DEPENDS}
 
 USES=		python pyqt:5 # pyqt:5 isn't used: https://github.com/guelfoweb/knock/issues/108
 USE_PYTHON=	distutils noflavors autoplist
 USE_PYQT=	pyqt5:run
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	guelfoweb
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>