diff --git a/net-p2p/bitflu/Makefile b/net-p2p/bitflu/Makefile
index a8c815569072..6f1c86a17875 100644
--- a/net-p2p/bitflu/Makefile
+++ b/net-p2p/bitflu/Makefile
@@ -1,50 +1,53 @@
 PORTNAME=	bitflu
 PORTVERSION=	1.52
 CATEGORIES=	net-p2p
 MASTER_SITES=	http://bitflu.workaround.ch/bitflu/
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	BitTorrent client written in Perl
 WWW=		https://bitflu.workaround.ch/
 
 LICENSE=	ART20
 LICENSE_FILE=	${WRKSRC}/Documentation/artistic-2_0.txt
 
+DEPRECATED=	No development in years and lack common functionality found in modern clients
+EXPIRATION_DATE=2024-03-31
+
 RUN_DEPENDS=	p5-Digest-SHA1>=0:security/p5-Digest-SHA1 \
 		p5-Danga-Socket>=0:devel/p5-Danga-Socket
 
 USES=		cpe perl5 shebangfix tar:tgz
 NO_BUILD=	yes
 NO_ARCH=	yes
 
 SHEBANG_FILES=	bitflu.pl
 SUB_FILES=	pkg-message
 
 PORTDOCS=	ChangeLog.txt README.txt README_IPv6.txt
 
 OPTIONS_DEFINE=		DOCS EXAMPLES IPV6
 
 IPV6_RUN_DEPENDS=	p5-IO-Socket-INET6>=0:net/p5-IO-Socket-INET6
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|'\''.bitflu.config'\''|"$$ENV{HOME}/.bitflu.config"|; \
 		s|\./plugins|${DATADIR}/plugins|; \
 		s|\./workdir|$$ENV{HOME}/.bitflu.workdir|' \
 		${WRKSRC}/bitflu.pl
 
 do-install:
 	${INSTALL_SCRIPT} ${WRKSRC}/${PORTNAME}.pl \
 		${STAGEDIR}${PREFIX}/bin/${PORTNAME}
 	@${MKDIR} ${STAGEDIR}${DATADIR}/plugins/Bitflu
 	${INSTALL_DATA} ${WRKSRC}/plugins/Bitflu/*.pm ${STAGEDIR}${DATADIR}/plugins/Bitflu
 
 do-install-EXAMPLES-on:
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	${INSTALL_DATA} ${WRKSRC}/${PORTNAME}.config.example \
 		${STAGEDIR}${EXAMPLESDIR}/${PORTNAME}.config
 
 do-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${PORTDOCS:S|^|${WRKSRC}/|} ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>