diff --git a/devel/ksql/Makefile b/devel/ksql/Makefile
index 724986d4e26d..ca4e2c415944 100644
--- a/devel/ksql/Makefile
+++ b/devel/ksql/Makefile
@@ -1,21 +1,24 @@
 PORTNAME=	ksql
 PORTVERSION=	0.3.5
 PORTREVISION=	1
 CATEGORIES=	devel databases
 MASTER_SITES=	http://kristaps.bsd.lv/ksql/snapshots/
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Lazy man's wrapper for the SQLite C API
 WWW=		https://kristaps.bsd.lv/ksql/
 
 LICENSE=	ISCL
 
+DEPRECATED=	Last activity upstream 7 years ago, unmaintained in tree for several years and no consumers
+EXPIRATION_DATE=2025-06-30
+
 USES=		localbase:ldflags sqlite
 
 HAS_CONFIGURE=	yes
 CONFIGURE_ARGS=	PREFIX="${PREFIX}" LDFLAGS="${LDFLAGS}" MANDIR="${PREFIX}/share/man"
 
 do-test:
 	@cd ${WRKSRC} && ./test
 
 .include <bsd.port.mk>