diff --git a/textproc/cdif/Makefile b/textproc/cdif/Makefile
index 54b859eb7551..725468fe51ec 100644
--- a/textproc/cdif/Makefile
+++ b/textproc/cdif/Makefile
@@ -1,33 +1,36 @@
 PORTNAME=	cdif
 PORTVERSION=	2.14.20170401
 DISTVERSIONPREFIX=	v
 CATEGORIES=	textproc
 
 MAINTAINER=	hrs@FreeBSD.org
 COMMENT=	Word context visualizer of DIFF output
 WWW=		https://github.com/kaz-utashiro/cdif
 
 LICENSE=	GREPLE
 LICENSE_NAME=	GREPLE License
 LICENSE_FILE=	${WRKSRC}/LICENSE
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
+DEPRECATED=	Deprecated upstream, repo archived on Jun 25, 2018.
+EXPIRATION_DATE=2025-04-30
+
 RUN_DEPENDS=	${SITE_PERL}/Getopt/EX.pm:devel/p5-Getopt-EX
 
 USES=		perl5 shebangfix
 SHEBANG_FILES=	${PORTNAME}
 USE_GITHUB=	yes
 GH_ACCOUNT=	kaz-utashiro
 GH_TAGNAME=	2f4de90
 NO_BUILD=	yes
 NO_ARCH=	yes
 PLIST_FILES=	bin/cdif
 
 post-extract:
 	cd ${WRKSRC} && \
 	    ${SED} -n "/^# COPYRIGHT/,//p" README.md > LICENSE
 
 do-install:
 	${INSTALL_SCRIPT} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin/cdif
 
 .include <bsd.port.mk>