diff --git a/misc/buffer/Makefile b/misc/buffer/Makefile
index e04fafd42ec7..a36739118dc4 100644
--- a/misc/buffer/Makefile
+++ b/misc/buffer/Makefile
@@ -1,20 +1,23 @@
 PORTNAME=	buffer
 PORTVERSION=	1.19
 PORTREVISION=	1
 CATEGORIES=	misc
 MASTER_SITES=	GENTOO \
 		http://www.mondorescue.org/download/MondoCD/TGZS/
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Buffer sporadic I/O for faster tape and pipe throughput
 
+DEPRECATED=	No upstream updates since 1995.  Switch to misc/mbuffer
+EXPIRATION_DATE=2024-03-31
+
 USES=		tar:tgz
 PLIST_FILES=	bin/buffer \
 		share/man/man1/buffer.1.gz
 CFLAGS+=	-D_WANT_SEMUN
 MAKE_ARGS=	CC="${CC}" \
 		CFLAGS="${CFLAGS}" \
 		INSTBIN="${STAGEDIR}${PREFIX}/bin" \
 		INSTMAN="${STAGEDIR}${PREFIX}/share/man/man1"
 
 .include <bsd.port.mk>