diff --git a/audio/openspc/Makefile b/audio/openspc/Makefile
index 2bb65af88df9..737f464139af 100644
--- a/audio/openspc/Makefile
+++ b/audio/openspc/Makefile
@@ -1,35 +1,43 @@
 PORTNAME=	openspc
 PORTVERSION=	0.3.1
-PORTREVISION=	10
+PORTREVISION=	11
 CATEGORIES=	audio
 MASTER_SITES=	http://membres.lycos.fr/pixels/ \
 		LOCAL/ehaupt
 DISTNAME=	OpenSPC-${PORTVERSION}
 
 MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	Command-line player for .spc and .zst files
 WWW=		http://membres.lycos.fr/pixels/OpenSPC.html
 
-ONLY_FOR_ARCHS=	i386	# contains x86 asm code
-GNU_CONFIGURE=	yes
-INSTALL_TARGET=	install-strip
+DEPRECATED=	Unmaintained upstream. Use audio/libgme or audio/ocp instead.
+EXPIRATION_DATE=	2024-12-05
+
+ONLY_FOR_ARCHS=	i386 # contains x86 asm code
+
 USES=		autoreconf libtool
 USE_GCC=	yes
 USE_LDCONFIG=	yes
+GNU_CONFIGURE=	yes
+INSTALL_TARGET=	install-strip
 
+PLIST_FILES=	bin/OpenSPClite \
+		include/OpenSPC.h \
+		lib/libOpenSPC.a \
+		lib/libOpenSPC.so \
+		lib/libOpenSPC.so.0 \
+		lib/libOpenSPC.so.0.3.1
 PORTDOCS=	README
-PLIST_FILES=	bin/OpenSPClite include/OpenSPC.h lib/libOpenSPC.a \
-		lib/libOpenSPC.so lib/libOpenSPC.so.0 lib/libOpenSPC.so.0.3.1
 
 OPTIONS_DEFINE=	DOCS
 
 post-patch:
 	@${REINPLACE_CMD} '1,/AUDIOFILE/d' ${WRKSRC}/acinclude.m4
 	@${REINPLACE_CMD} '/AC_PROG_CC/{p;s/.*/AM_PROG_AS/;}' \
 		${WRKSRC}/configure.in
 
 post-install:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/README ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>