diff --git a/accessibility/atkmm/Makefile b/accessibility/atkmm/Makefile
index 62d2f06701cb..b6ac10f03378 100644
--- a/accessibility/atkmm/Makefile
+++ b/accessibility/atkmm/Makefile
@@ -2,8 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	atkmm
-PORTVERSION=	2.24.2
-PORTREVISION=	4
+PORTVERSION=	2.28.0
 CATEGORIES=	accessibility gnome
 MASTER_SITES=	GNOME
 
diff --git a/accessibility/atkmm/distinfo b/accessibility/atkmm/distinfo
index 0ac86d61edcf..5b5fa9dfe2e9 100644
--- a/accessibility/atkmm/distinfo
+++ b/accessibility/atkmm/distinfo
@@ -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