diff --git a/devel/ossp-al/Makefile b/devel/ossp-al/Makefile
index 81646f1c8c90..ae2ed3ff7d45 100644
--- a/devel/ossp-al/Makefile
+++ b/devel/ossp-al/Makefile
@@ -1,26 +1,29 @@
 PORTNAME=	al
 PORTVERSION=	0.9.3
 PORTREVISION=	2
 CATEGORIES=	devel
 MASTER_SITES=	OSSP/lib/${PORTNAME}
 PKGNAMEPREFIX=	ossp-
 
 MAINTAINER=	vd@FreeBSD.org
 COMMENT=	Defines an abstract type of buffer that can move data without copying
 WWW=		http://www.ossp.org/pkg/lib/al/
 
+DEPRECATED=	Obsolete and abandoned upstream, last release in 2005
+EXPIRATION_DATE=2024-07-31
+
 LIB_DEPENDS=	libex.so:devel/ossp-ex
 
 USES=		libtool
 GNU_CONFIGURE=	yes
 GNU_CONFIGURE_MANPREFIX=	${PREFIX}/share
 CONFIGURE_ARGS=	--with-ex=${LOCALBASE}
 USE_LDCONFIG=	yes
 
 check:	build
 	@(cd ${WRKSRC} && ${SETENV} ${MAKE_ENV} ${MAKE} ${MAKE_FLAGS} ${MAKEFILE} ${MAKE_ARGS} check)
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/libal.so
 
 .include <bsd.port.mk>