diff --git a/audio/gnormalize/Makefile b/audio/gnormalize/Makefile
index 589c9bf13669..a70ba7b5337e 100644
--- a/audio/gnormalize/Makefile
+++ b/audio/gnormalize/Makefile
@@ -1,54 +1,57 @@
 PORTNAME=	gnormalize
 PORTVERSION=	0.63
 PORTREVISION=	12
 CATEGORIES=	audio
 MASTER_SITES=	SF
 
 MAINTAINER=	darcsis@gmail.com
 COMMENT=	Alternative for replaygain
 WWW=		https://gnormalize.sourceforge.net/
 
+DEPRECATED=	Last release in 2008, upstream is dead, depends on deprecated library GTK2 and uses legacy workarounds that can potentially cause lossy conversions. Consider using audio/rsgain and audio/cyanrip
+EXPIRATION_DATE=2024-02-29
+
 RUN_DEPENDS+=	p5-Gtk2>=0:x11-toolkits/p5-Gtk2 \
 		wavegain:audio/wavegain
 
 USES=		gnome perl5 shebangfix
 USE_PERL5=	run
 
 SHEBANG_FILES=	${PORTNAME}
 
 NO_BUILD=	yes
 
 OPTIONS_DEFINE=	MP3 OGG MP4 CDPARANOIA CDDB CDPLAY FLAC MAC MUSEPACK
 OPTIONS_DEFAULT=	MP3 OGG MP4
 
 MAC_DESC=	Monkey's Audio Encoding and Playback
 CDPLAY_DESC=	CD Playback
 
 MP3_RUN_DEPENDS=	lame:audio/lame \
 			p5-MP3-Info>=0:audio/p5-MP3-Info
 OGG_RUN_DEPENDS=	oggenc:audio/vorbis-tools
 MP4_RUN_DEPENDS=	faac:audio/faac \
 			faad:audio/faad
 CDDB_RUN_DEPENDS=	cddb.pl:audio/p5-CDDB_get
 CDPLAY_RUN_DEPENDS=	p5-Audio-CD>=0:audio/p5-Audio-CD
 FLAC_RUN_DEPENDS=	flac:audio/flac
 MAC_RUN_DEPENDS=	mac:audio/mac
 MUSEPACK_RUN_DEPENDS=	mppenc:audio/musepack
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MCDPARANOIA} || ${PORT_OPTIONS:MCDDA2WAV}
 RUN_DEPENDS+=	cdda2wav:sysutils/cdrtools
 .else
 RUN_DEPENDS+=	cdparanoia:audio/cdparanoia
 .endif
 
 post-patch:
 	@${REINPLACE_CMD} -e 's,^PREFIX=.*,PREFIX=${PREFIX},; \
 		s,^MANDIR=.*,MANDIR=${PREFIX}/share/man,; \
 		s,^BASE=.*,BASE=${DATADIR},' \
 		${WRKSRC}/Makefile
 	@${REINPLACE_CMD} -e 's,/usr/share/gnormalize,${DATADIR},' \
 		${WRKSRC}/gnormalize
 
 .include <bsd.port.mk>