diff --git a/archivers/lzmalib/Makefile b/archivers/lzmalib/Makefile
index d71975a28260..15bc1760e5c8 100644
--- a/archivers/lzmalib/Makefile
+++ b/archivers/lzmalib/Makefile
@@ -1,19 +1,22 @@
 PORTNAME=	lzmalib
 PORTVERSION=	0.0.1
 PORTREVISION=	1
 CATEGORIES=	archivers
 MASTER_SITES=	http://tokyocabinet.sourceforge.net/misc/
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Thin wrapper library of LZMA
 WWW=		https://tokyocabinet.sourceforge.net/
 
+DEPRECATED=	Upstream hasn't been active for over 20 years and no users of this library in tree
+EXPIRATION_DATE=2024-03-31
+
 USES=		gmake
 GNU_CONFIGURE=	yes
 USE_LDCONFIG=	yes
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/lzmacmd
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/liblzma.so
 
 .include <bsd.port.mk>