diff --git a/devel/libdnsres/Makefile b/devel/libdnsres/Makefile
index 1df946c74707..ce77758cfd9b 100644
--- a/devel/libdnsres/Makefile
+++ b/devel/libdnsres/Makefile
@@ -1,27 +1,30 @@
 PORTNAME=	libdnsres
 PORTVERSION=	0.1a
 PORTREVISION=	11
 CATEGORIES=	devel
 MASTER_SITES=	http://monkey.org/~provos/
 
 MAINTAINER=	oz@nixil.net
 COMMENT=	Provides a non-blocking thread-safe API for resolving DNS names
 WWW=		https://www.monkey.org/~provos/libdnsres/
 
 LICENSE=	BSD4CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+DEPRECATED=	No consumers in tree, last release in 2005 by upstream
+EXPIRATION_DATE=2025-06-30
+
 BUILD_DEPENDS=	${LOCALBASE}/lib/libevent.a:devel/libevent
 
 USES=		libtool
 GNU_CONFIGURE=	yes
 GNU_CONFIGURE_MANPREFIX=${PREFIX}/share
 USE_LDCONFIG=	yes
 CONFIGURE_ARGS=	--with-libevent=${LOCALBASE}
 MAKE_JOBS_UNSAFE=	yes
 
 post-patch:
 	@${REINPLACE_CMD} -e 's,CFLAGS =,CFLAGS +=, ; s|top_buildir|top_builddir|g' \
 		${WRKSRC}/Makefile.in
 
 .include <bsd.port.mk>