diff --git a/devel/p5-PkgConfig-LibPkgConf/Makefile b/devel/p5-PkgConfig-LibPkgConf/Makefile
index 5ca9fbcd1891..25a263c946a4 100644
--- a/devel/p5-PkgConfig-LibPkgConf/Makefile
+++ b/devel/p5-PkgConfig-LibPkgConf/Makefile
@@ -1,29 +1,31 @@
 PORTNAME=	PkgConfig-LibPkgConf
 PORTVERSION=	0.11
 CATEGORIES=	devel perl5
 MASTER_SITES=	CPAN
 MASTER_SITE_SUBDIR=	CPAN:PLICEASE
 PKGNAMEPREFIX=	p5-
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Interface to .pc file interface via libpkgconf
 WWW=		https://metacpan.org/release/PkgConfig-LibPkgConf
 
 LICENSE=	ART10 GPLv1
 LICENSE_COMB=	dual
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN=		Incompatible with pkgconf 3.0 and newer
+DEPRECATED=	Upstream is inactive for 5 years.
+EXPIRATION_DATE=2026-09-30
 
 BUILD_DEPENDS=	pkgconf>=1.5.0:devel/pkgconf
 LIB_DEPENDS=	libpkgconf.so:devel/pkgconf
 
 USES=		perl5
 USE_PERL5=	configure
 
 CFLAGS+=	-I${LOCALBASE}/include/pkgconf
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/${SITE_ARCH_REL}/auto/PkgConfig/LibPkgConf/LibPkgConf.so
 
 .include <bsd.port.mk>