diff --git a/accessibility/atkmm/Makefile b/accessibility/atkmm/Makefile
index 3e9fd2c5785e..bd837c1faadc 100644
--- a/accessibility/atkmm/Makefile
+++ b/accessibility/atkmm/Makefile
@@ -1,20 +1,22 @@
 PORTNAME=	atkmm
-DISTVERSION=	2.28.4
+DISTVERSION=	2.28.5
 CATEGORIES=	accessibility gnome
 MASTER_SITES=	GNOME
 
 MAINTAINER=	gnome@FreeBSD.org
 COMMENT=	C++ wrapper for ATK API library
-WWW=		https://www.gtkmm.org/
+WWW=		https://gtkmm.gnome.org/
 
 LICENSE=	LGPL21+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 PORTSCOUT=	limitw:1,even
 
 USES=		compiler:c++11-lang gnome localbase:ldflags meson pkgconfig \
 		python:build tar:xz
 USE_GNOME=	atk glibmm libsigc++20
 USE_LDCONFIG=	yes
 
+MESON_ARGS=	-Dmaintainer-mode=false
+
 .include <bsd.port.mk>
diff --git a/accessibility/atkmm/distinfo b/accessibility/atkmm/distinfo
index 9b68c39f85a4..ea0347e9637d 100644
--- a/accessibility/atkmm/distinfo
+++ b/accessibility/atkmm/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1720349887
-SHA256 (atkmm-2.28.4.tar.xz) = 0a142a8128f83c001efb8014ee463e9a766054ef84686af953135e04d28fdab3
-SIZE (atkmm-2.28.4.tar.xz) = 739536
+TIMESTAMP = 1779820251
+SHA256 (atkmm-2.28.5.tar.xz) = ae449192a582a2582a95e0602b15d792bbd639e836339b81ef916aa87540ac5c
+SIZE (atkmm-2.28.5.tar.xz) = 608724