Index: head/accessibility/atkmm/Makefile
===================================================================
--- head/accessibility/atkmm/Makefile	(revision 538510)
+++ head/accessibility/atkmm/Makefile	(revision 538511)
@@ -1,26 +1,25 @@
 # Created by: Koop Mast <kwm@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	atkmm
-PORTVERSION=	2.24.2
-PORTREVISION=	4
+PORTVERSION=	2.28.0
 CATEGORIES=	accessibility gnome
 MASTER_SITES=	GNOME
 
 MAINTAINER=	gnome@FreeBSD.org
 COMMENT=	C++ wrapper for ATK API library
 
 LICENSE=	LGPL21+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 PORTSCOUT=	limitw:1,even
 
 USES=		compiler:c++11-lang gmake gnome localbase libtool pathfix \
 		pkgconfig tar:xz
 USE_GNOME=	atk glibmm
 USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 CONFIGURE_ARGS=	--disable-documentation
 
 .include <bsd.port.mk>
Index: head/accessibility/atkmm/distinfo
===================================================================
--- head/accessibility/atkmm/distinfo	(revision 538510)
+++ head/accessibility/atkmm/distinfo	(revision 538511)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1491079690
-SHA256 (atkmm-2.24.2.tar.xz) = ff95385759e2af23828d4056356f25376cfabc41e690ac1df055371537e458bd
-SIZE (atkmm-2.24.2.tar.xz) = 849784
+TIMESTAMP = 1591894741
+SHA256 (atkmm-2.28.0.tar.xz) = 4c4cfc917fd42d3879ce997b463428d6982affa0fb660cafcc0bc2d9afcedd3a
+SIZE (atkmm-2.28.0.tar.xz) = 891904