diff --git a/dns/opendd/Makefile b/dns/opendd/Makefile
index b1d8f7e194033..755b3118cd82d 100644
--- a/dns/opendd/Makefile
+++ b/dns/opendd/Makefile
@@ -13,6 +13,8 @@ COMMENT=	DynDNS client
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
+DEPRECATED=	Abandonware
+EXPIRATION_DATE=	2021-05-15
 BROKEN_FreeBSD_13=	ld: error: duplicate symbol: saved_attributes
 BROKEN_FreeBSD_14=	ld: error: duplicate symbol: saved_attributes