diff --git a/graphics/quat-gui/Makefile b/graphics/quat-gui/Makefile
index d70378e28e9b..38e5ed31b5a2 100644
--- a/graphics/quat-gui/Makefile
+++ b/graphics/quat-gui/Makefile
@@ -1,66 +1,69 @@
 PORTNAME=	quat
-PORTVERSION=	1.20
-PORTREVISION=	17
+DISTVERSION=	1.20
+PORTREVISION=	18
 CATEGORIES=	graphics
 MASTER_SITES=	https://www.physcip.uni-stuttgart.de/pages/~phy11733/download/
 PKGNAMESUFFIX=	-gui
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	Three-dimensional fractal creator (X11 GUI)
 WWW=		https://www.physcip.uni-stuttgart.de/pages/~phy11733/index_e.html
 
 LICENSE=	GPLv2+
 
+DEPRECATED=	Last upstream release was in 2003
+EXPIRATION_DATE=	2025-05-05
+
 LIB_DEPENDS=	libfltk.so:x11-toolkits/fltk
 
 USES=		gl localbase:ldflags xorg
 USE_GL=		gl glut
 USE_XORG=	xext
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--datadir=${PREFIX}/share/doc
 CONFIGURE_ENV=	FLUID="${LOCALBASE}/bin/fluid"
 
 DOCSDIR=	${PREFIX}/share/doc/${PKGBASE}
 DESKTOP_ENTRIES="Quat" "3D Fractal Generator" "" "${PORTNAME}" "" ""
 
 PLIST_FILES=	bin/quat
 PORTDOCS=	*
 
 OPTIONS_DEFINE=	OPTIMIZED_CFLAGS DOCS
 
 OPTIMIZED_CFLAGS_CFLAGS=	-O3 -ffast-math
 
 .include <bsd.port.pre.mk>
 
 .if ${OPSYS} == FreeBSD
 CFLAGS+=	-Wno-error=int-conversion
 .endif
 
 post-patch:
 	@${REINPLACE_CMD} -E -e \
 		's,-(march=pentium|O3|ffast-math),,g' \
 		${WRKSRC}/configure
 	@${REINPLACE_CMD} -E -e \
 		's|-I\.[[:space:]]+-I\$$\(srcdir\)[[:space:]]+||' \
 		${WRKSRC}/gui/Makefile.in
 	@${REINPLACE_CMD} -e \
 		's|<FL/fl_file_chooser.H>|<FL/Fl_File_Chooser.H>| ; \
 		 s|/doc/quat/|/doc/${PKGBASE}/|' \
 		${WRKSRC}/gui/MainWindow.cxx
 # disable data file installation since distfile does not do
 # The Right Thing(TM)
 	@${REINPLACE_CMD} -E -e \
 		's|^(install-data-am:).*$$|\1| ; \
 		 s|^(SUBDIRS.*)doc|\1|' \
 		${WRKSRC}/Makefile.in
 	@${REINPLACE_CMD} -e \
 		's|@PACKAGE@|${PKGBASE}|' \
 		${WRKSRC}/doc/Makefile.in
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	@(cd ${WRKSRC}/doc && ${SETENV} ${MAKE_ENV} ${MAKE} ${MAKE_FLAGS} \
 		${MAKEFILE} ${MAKE_ARGS} ${INSTALL_TARGET})
 
 .include <bsd.port.post.mk>