diff --git a/sysutils/xfce4-taskmanager/Makefile b/sysutils/xfce4-taskmanager/Makefile
index 5ecec2e96057..a327c9900719 100644
--- a/sysutils/xfce4-taskmanager/Makefile
+++ b/sysutils/xfce4-taskmanager/Makefile
@@ -1,9 +1,8 @@
-# $NetBSD: Makefile,v 1.24 2021/12/08 16:06:41 adam Exp $
+# $NetBSD: Makefile,v 1.25 2021/12/10 00:00:02 gutteridge Exp $
 
-PKGREVISION= 3
 .include "../../meta-pkgs/xfce4/Makefile.common"
 
-VERSION=	1.2.3
+VERSION=	1.4.2
 DISTNAME=	xfce4-taskmanager-${VERSION}
 CATEGORIES=	sysutils
 MASTER_SITES=	https://archive.xfce.org/src/apps/xfce4-taskmanager/${VERSION:R}/
@@ -11,18 +10,18 @@ MASTER_SITES=	https://archive.xfce.org/src/apps/xfce4-taskmanager/${VERSION:R}/
 HOMEPAGE=	https://goodies.xfce.org/projects/applications/xfce4-taskmanager
 COMMENT=	Xfce task manager
 
-# patch needs libkvm.
+# NetBSD support file needs libkvm.
 .include "../../mk/bsd.prefs.mk"
-.if ${OPSYS} != "Linux"
+.if ${OPSYS} == "NetBSD"
 LDFLAGS+=	-lkvm
 .endif
 
-CONFIGURE_ARGS+=	--disable-gtk2
 .if ${OPSYS} == "NetBSD"
 pre-configure:
 	${CP} ${FILESDIR}/task-manager-netbsd.c ${WRKSRC}/src/task-manager-bsd.c
 .endif
 
+.include "../../devel/libwnck3/buildlink3.mk"
 .include "../../x11/libXmu/buildlink3.mk"
 .include "../../x11/libxfce4ui/buildlink3.mk"
 .include "../../sysutils/desktop-file-utils/desktopdb.mk"
diff --git a/sysutils/xfce4-taskmanager/PLIST b/sysutils/xfce4-taskmanager/PLIST
index 6245d6886391..72caec8d94c3 100644
--- a/sysutils/xfce4-taskmanager/PLIST
+++ b/sysutils/xfce4-taskmanager/PLIST
@@ -1,9 +1,13 @@
-@comment $NetBSD: PLIST,v 1.4 2020/04/11 04:24:55 gutteridge Exp $
+@comment $NetBSD: PLIST,v 1.5 2021/12/10 00:00:02 gutteridge Exp $
 bin/xfce4-taskmanager
 share/applications/xfce4-taskmanager.desktop
+share/icons/hicolor/128x128/apps/org.xfce.taskmanager.png
 share/icons/hicolor/16x16/actions/xc_crosshair.png
+share/icons/hicolor/16x16/apps/org.xfce.taskmanager.png
 share/icons/hicolor/24x24/actions/xc_crosshair.png
+share/icons/hicolor/48x48/apps/org.xfce.taskmanager.png
 share/icons/hicolor/scalable/actions/xc_crosshair.svg
+share/icons/hicolor/scalable/apps/org.xfce.taskmanager.svg
 share/locale/ar/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/ast/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/be/LC_MESSAGES/xfce4-taskmanager.mo
@@ -16,6 +20,7 @@ share/locale/el/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/en_AU/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/en_GB/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/es/LC_MESSAGES/xfce4-taskmanager.mo
+share/locale/et/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/eu/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/fi/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/fr/LC_MESSAGES/xfce4-taskmanager.mo
@@ -24,6 +29,7 @@ share/locale/he/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/hr/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/hu/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/hy_AM/LC_MESSAGES/xfce4-taskmanager.mo
+share/locale/hye/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/id/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/ie/LC_MESSAGES/xfce4-taskmanager.mo
 share/locale/is/LC_MESSAGES/xfce4-taskmanager.mo
diff --git a/sysutils/xfce4-taskmanager/distinfo b/sysutils/xfce4-taskmanager/distinfo
index 2c3add945584..ad1be8fec5a9 100644
--- a/sysutils/xfce4-taskmanager/distinfo
+++ b/sysutils/xfce4-taskmanager/distinfo
@@ -1,5 +1,5 @@
-$NetBSD: distinfo,v 1.8 2021/10/26 11:20:27 nia Exp $
+$NetBSD: distinfo,v 1.9 2021/12/10 00:00:02 gutteridge Exp $
 
-BLAKE2s (xfce4-taskmanager-1.2.3.tar.bz2) = 5b8bdbd4295c65eade7b1369544f1fc1c0da6b574fdb796d0e15fb590b6eac97
-SHA512 (xfce4-taskmanager-1.2.3.tar.bz2) = e3fbc89e4a1f6d3cd2f03388626b86129244c9d16092c74db18459efcaffc401a4aaab0588d9b96771f609bf5b17fa0a923a17d598e148b6d71efbb08aa5faf3
-Size (xfce4-taskmanager-1.2.3.tar.bz2) = 406223 bytes
+BLAKE2s (xfce4-taskmanager-1.4.2.tar.bz2) = d3548ad9e3c7099d437a595a945b4fb0c6e1c6734474fc86939c260a4ff1a749
+SHA512 (xfce4-taskmanager-1.4.2.tar.bz2) = cd7f26c7ab0e0557be52155d58c677258da8479c2a09b0e1dd4006fe0ecb2a3c82d68ecdf72c10e8b8977eac5a158fcb606027229e973edb6ea7570d040c2444
+Size (xfce4-taskmanager-1.4.2.tar.bz2) = 414315 bytes
diff --git a/sysutils/xfce4-taskmanager/files/task-manager-netbsd.c b/sysutils/xfce4-taskmanager/files/task-manager-netbsd.c
index 34f3781b3cbb..fb856c298c2e 100644
--- a/sysutils/xfce4-taskmanager/files/task-manager-netbsd.c
+++ b/sysutils/xfce4-taskmanager/files/task-manager-netbsd.c
@@ -147,7 +147,8 @@ gboolean get_cpu_usage (gushort *cpu_count, gfloat *cpu_user, gfloat *cpu_system
 /* vmtotal values in #pg */
 #define pagetok(nb) ((nb) * (getpagesize()))
 
-gboolean get_memory_usage (guint64 *memory_total, guint64 *memory_free,
+gboolean get_memory_usage (guint64 *memory_total,
+		guint64 *memory_available, guint64 *memory_free,
 		guint64 *memory_cache, guint64 *memory_buffers,
 		guint64 *swap_total, guint64 *swap_free)
 {
@@ -173,6 +174,7 @@ gboolean get_memory_usage (guint64 *memory_total, guint64 *memory_free,
 	*memory_free = pagetok((guint64)vmtotal.t_free);
 	*memory_cache = 0;
 	*memory_buffers = pagetok(vmtotal.t_rm - vmtotal.t_arm);
+	*memory_available = *memory_free + *memory_cache + *memory_buffers;
 
 	/* get swap stats */
 	if ((nswap = swapctl(SWAP_NSWAP, 0, 0)) == 0)