diff --git a/graphics/wdune/Makefile b/graphics/wdune/Makefile
index e1dace4efca6..1463a9c5bf94 100644
--- a/graphics/wdune/Makefile
+++ b/graphics/wdune/Makefile
@@ -1,53 +1,56 @@
 PORTNAME=	wdune
 PORTVERSION=	1.956
 PORTREVISION=	4
 CATEGORIES=	graphics
 MASTER_SITES=	ftp://ftp.ourproject.org/pub/wdune/
 
 MAINTAINER=	pi@FreeBSD.org
 COMMENT=	Graphical VRML97 editor and animation tool
 WWW=		https://wdune.ourproject.org/
 
 LICENSE=	GPLv2
 
+DEPRECATED=	upstream no longer maintained
+EXPIRATION_DATE=2024-06-30
+
 BUILD_DEPENDS=	cgal>0:math/cgal
 LIB_DEPENDS=	libcurl.so:ftp/curl \
 		libexpat.so:textproc/expat2 \
 		libfreetype.so:print/freetype2 \
 		libgmp.so:math/gmp \
 		libmpfr.so:math/mpfr \
 		libosdCPU.so:graphics/opensubdiv \
 		libpng.so:graphics/png \
 		libswresample.so.3:multimedia/ffmpeg4
 
 USES=		compiler:c++11-lang gl jpeg localbase:ldflags motif sdl tar:bzip2 xorg
 USE_CXXSTD=	c++14
 USE_GL=		gl glu glut
 USE_SDL=	sdl
 USE_XORG=	x11 xft xi xmu xext xt
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--with-optimization \
 		--without-devil \
 		--with-cgalheaders \
 		--with-helpurl="${DOCSDIR}/index.html"
 
 ALL_TARGET=	dune
 
 CPPFLAGS+=	-I${LOCALBASE}/ffmpeg4/include -I${LOCALBASE}/include/freetype2 -D__FREEBSD__
 LDFLAGS+=	-L${LOCALBASE}/ffmpeg4/lib
 
 CONFLICTS_INSTALL=	ocaml-dune
 
 OPTIONS_DEFINE=	DOCS
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/bin/dune ${STAGEDIR}${PREFIX}/bin
 	cd ${WRKSRC}/bin && ${INSTALL_SCRIPT} dune4kids illegal2vrml \
 		${STAGEDIR}${PREFIX}/bin
 	cd ${WRKSRC}/man && ${INSTALL_MAN} dune.1 illegal2vrml.1 ${STAGEDIR}${PREFIX}/share/man/man1
 
 do-install-DOCS-on:
 	cd ${WRKSRC}/docs && ${COPYTREE_SHARE} . ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>