diff --git a/textproc/rtf2html/Makefile b/textproc/rtf2html/Makefile
index 2731f647368b..c06257ebcc90 100644
--- a/textproc/rtf2html/Makefile
+++ b/textproc/rtf2html/Makefile
@@ -1,24 +1,27 @@
 PORTNAME=	rtf2html
 DISTVERSION=	1.1b
 PORTREVISION=	1
 CATEGORIES=	textproc
 MASTER_SITES=	LOCAL/ehaupt
 
 MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	Simple rtf2html converter
 
+DEPRECATED=	Abandonware, please use something modern like markdown
+EXPIRATION_DATE=2023-05-25
+
 LICENSE=	BSD2CLAUSE
 
 CONFLICTS_INSTALL=	p5-RTF-Parser
 
 PLIST_FILES=	bin/rtf2html
 
 WRKSRC=		${WRKDIR}/${PORTNAME}
 
 do-build:
 	${CC} ${CFLAGS} ${WRKSRC}/${PORTNAME}.c -o ${WRKSRC}/${PORTNAME}
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 
 .include <bsd.port.mk>