diff --git a/devel/ptmalloc/Makefile b/devel/ptmalloc/Makefile
index 2c9ef7325707..b0fd9dc2b4ff 100644
--- a/devel/ptmalloc/Makefile
+++ b/devel/ptmalloc/Makefile
@@ -1,28 +1,31 @@
 PORTNAME=	ptmalloc
 PORTVERSION=	3.0
 PORTREVISION=	2
 CATEGORIES=	devel
 MASTER_SITES=	http://www.malloc.de/malloc/
 DISTNAME=	${PORTNAME}3-current
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Alternative threads-aware malloc
 WWW=		http://www.malloc.de/en/
 
+DEPRECATED=    Abandonware, last release in 2006 and there are other alternative malloc implementations available
+EXPIRATION_DATE=2023-11-30
+
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/COPYRIGHT
 
 USES=		gmake
 WRKSRC=		${WRKDIR}/${PORTNAME}3
 USE_LDCONFIG=	yes
 ALL_TARGET=	posix
 TEST_TARGET=	check
 
 do-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/include/${PORTNAME}
 	${INSTALL_DATA} ${WRKSRC}/malloc-2.8.3.h ${STAGEDIR}${PREFIX}/include/${PORTNAME}/malloc.h
 	${INSTALL_DATA} ${WRKSRC}/libptmalloc3.a ${STAGEDIR}${PREFIX}/lib/libptmalloc.a
 	${INSTALL_LIB} ${WRKSRC}/ptmalloc3.so ${STAGEDIR}${PREFIX}/lib/libptmalloc.so.3
 	${LN} -sf libptmalloc.so.3 ${STAGEDIR}${PREFIX}/lib/libptmalloc.so
 
 .include <bsd.port.mk>