Index: head/audio/midi-matrix-lv2/Makefile
===================================================================
--- head/audio/midi-matrix-lv2/Makefile	(revision 561883)
+++ head/audio/midi-matrix-lv2/Makefile	(revision 561884)
@@ -1,27 +1,27 @@
 # Created by: Yuri Victorovich <yuri@rawbw.com>
 # $FreeBSD$
 
 PORTNAME=	midi-matrix
-DISTVERSION=	0.26.0
+DISTVERSION=	0.28.0
 CATEGORIES=	audio
 MASTER_SITES=	https://gitlab.com/OpenMusicKontrollers/midi_matrix.lv2/repository/archive.tar.gz?ref=${DISTVERSION}&dummy=/
 PKGNAMESUFFIX=	-lv2
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	LV2 'Midi Matrix' plugin bundle: 'Channel Filter'
 
 LICENSE=	ART20
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	lv2>0:audio/lv2 \
 		lv2lint:audio/lv2lint \
 		sord_validate:devel/sord
 
 USES=		compiler:c11 gl meson pkgconfig xorg
 USE_XORG=	x11 xext
-USE_GL=		gl glu
+USE_GL=		gl glew glu
 
 post-extract:
 	@${MV} ${WRKDIR}/midi_matrix* ${WRKDIR}/${PORTNAME}-${PORTVERSION}
 
 .include <bsd.port.mk>
Index: head/audio/midi-matrix-lv2/distinfo
===================================================================
--- head/audio/midi-matrix-lv2/distinfo	(revision 561883)
+++ head/audio/midi-matrix-lv2/distinfo	(revision 561884)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1595371745
-SHA256 (midi-matrix-0.26.0.tar.gz) = b09e242e1035f446d37f2b0897bea8f36e03588aac885e8366235fca5cfa5767
-SIZE (midi-matrix-0.26.0.tar.gz) = 2255297
+TIMESTAMP = 1610924003
+SHA256 (midi-matrix-0.28.0.tar.gz) = a189b56546cedc3273b9db36e7f89174b61168f064388079be13287c9c435441
+SIZE (midi-matrix-0.28.0.tar.gz) = 1942321