diff --git a/math/p5-Algorithm-KMeans/Makefile b/math/p5-Algorithm-KMeans/Makefile
index bc0ff1c64bac..30270ce8ec08 100644
--- a/math/p5-Algorithm-KMeans/Makefile
+++ b/math/p5-Algorithm-KMeans/Makefile
@@ -1,25 +1,28 @@
 # $FreeBSD$
 
 PORTNAME=	Algorithm-KMeans
 PORTVERSION=	2.05
 PORTREVISION=	1
 CATEGORIES=	math perl5
 MASTER_SITES=	CPAN
 MASTER_SITE_SUBDIR=	CPAN:AVIKAK
 PKGNAMEPREFIX=	p5-
 
 MAINTAINER=	perl@FreeBSD.org
 COMMENT=	Clustering multi-dimensional data with a pure-Perl implementation
 
 LICENSE=	ART10 GPLv1+
 LICENSE_COMB=	dual
 
+DEPRECATED=	Depends on expired math/p5-Math-GSL
+EXPIRATION_DATE=2020-06-05
+
 BUILD_DEPENDS=	${RUN_DEPENDS}
 RUN_DEPENDS=	p5-Graphics-GnuplotIF>=1.4:graphics/p5-Graphics-GnuplotIF \
 		p5-Math-GSL>=0.26:math/p5-Math-GSL \
 		p5-Math-Random>=0.71:math/p5-Math-Random
 
 USES=		perl5
 USE_PERL5=	configure
 
 .include <bsd.port.mk>