diff --git a/security/gss/Makefile b/security/gss/Makefile
index de84985eb822..b49d4a5949f2 100644
--- a/security/gss/Makefile
+++ b/security/gss/Makefile
@@ -1,38 +1,41 @@
 # Created by: ijliao
 
 PORTNAME=	gss
 PORTVERSION=	1.0.3
 PORTREVISION=	2
 CATEGORIES=	security
 MASTER_SITES=	GNU
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	GNU Generic Security Service Library
 
 LIB_DEPENDS=	libshishi.so:security/shishi
 
+DEPRECATED=	Abandonware, last release in 2014 and no development since
+EXPIRATION_DATE=2022-06-30
+
 CONFLICTS=	heimdal
 
 USES=		libtool localbase:ldflags pathfix pkgconfig perl5
 USE_PERL5=	build
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-kerberos5
 INSTALL_TARGET=	install-strip
 USE_LDCONFIG=	yes
 
 OPTIONS_DEFINE=	DOCS NLS
 OPTIONS_SUB=	yes
 NLS_USES=	gettext
 NLS_CONFIGURE_ENABLE=	nls
 
 INFO=		gss
 PORTDOCS=	gss.html gss.ps gss.pdf
 
 post-configure:
 	@cd ${WRKSRC}/doc && ${TOUCH} Makefile*
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	(cd ${WRKSRC}/doc && ${INSTALL_DATA} ${PORTDOCS} ${STAGEDIR}${DOCSDIR})
 
 .include <bsd.port.mk>