diff --git a/gnome-system-monitor-3.38.0.tar.xz b/gnome-system-monitor-3.38.0.tar.xz
deleted file mode 100644
index 5ff3316..0000000
--- a/gnome-system-monitor-3.38.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:73bf7ab4d5503c2567d76f831c9ae3fe27c31495761889ad3b351ef4c068aff4
-size 712320
diff --git a/gnome-system-monitor-40.0.tar.xz b/gnome-system-monitor-40.0.tar.xz
new file mode 100644
index 0000000..fb846d9
--- /dev/null
+++ b/gnome-system-monitor-40.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:64e550f7f55552b09a79e1620aaebaae705d1668e4538e604e14c0ca323ae756
+size 763344
diff --git a/gnome-system-monitor.changes b/gnome-system-monitor.changes
index 8885636..4f9e46e 100644
--- a/gnome-system-monitor.changes
+++ b/gnome-system-monitor.changes
@@ -1,3 +1,50 @@
+-------------------------------------------------------------------
+Sat Mar 20 09:19:23 UTC 2021 - Michael Gorse <mgorse@suse.com>
+
+- Update to version 40.0:
+  + Updated translations.
+
+-------------------------------------------------------------------
+Thu Mar 18 14:46:42 UTC 2021 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Update to version 40.rc:
+  + Updated view switcher and preferences.
+  + Fixed out of bounds error.
+  + Use correct x-axis labels.
+  + Fixed compilation warnings.
+  + Updated translations.
+- Add pkgconfig(libhandy-1) BuildRequires: new dependency.
+
+-------------------------------------------------------------------
+Tue Feb  9 11:45:24 UTC 2021 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Update to version 40.beta:
+  + Fixed load-graph update interval.
+  + Added logarithmic scale option in preferences.
+  + Updated translations.
+
+-------------------------------------------------------------------
+Thu Jan 14 17:48:43 UTC 2021 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Update to version 40.alpha:
+  + Use random colors for cores.
+  + Enable tabular fonts for tables.
+  + Added memory maps and process priority help page.
+  + Use two decimals precision for CPU usage.
+  + Freeze process table while showing the process kill dialog.
+  + Updated development setup documentation.
+  + Added CPU affinity feature.
+  + Added command-line help for GTK options.
+  + Allow disable smooth drawing for network and memory charts.
+  + Allow configuration of data points to draw.
+  + Make resources sections collapsible.
+  + Chart axis labels follow scaling.
+  + Added option to select network totals unit separately.
+  + Select Memory format in preferences.
+  + Resize process name and command line columns.
+  + Don't use trailing space in chart labels.
+  + Updated translations.
+
 -------------------------------------------------------------------
 Fri Sep 11 12:30:38 UTC 2020 - dimstar@opensuse.org
 
diff --git a/gnome-system-monitor.spec b/gnome-system-monitor.spec
index 2857384..475ac2b 100644
--- a/gnome-system-monitor.spec
+++ b/gnome-system-monitor.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package gnome-system-monitor
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,13 +17,13 @@
 
 
 Name:           gnome-system-monitor
-Version:        3.38.0
+Version:        40.0
 Release:        0
 Summary:        A process monitor for the GNOME desktop
 License:        GPL-2.0-or-later
 Group:          System/GUI/GNOME
 URL:            https://wiki.gnome.org/Apps/SystemMonitor
-Source0:        https://download.gnome.org/sources/gnome-system-monitor/3.38/%{name}-%{version}.tar.xz
+Source0:        https://download.gnome.org/sources/gnome-system-monitor/40/%{name}-%{version}.tar.xz
 
 BuildRequires:  fdupes
 BuildRequires:  gcc-c++
@@ -40,6 +40,7 @@ BuildRequires:  pkgconfig(gmodule-2.0)
 BuildRequires:  pkgconfig(gtk+-3.0) >= 3.22.0
 BuildRequires:  pkgconfig(gtkmm-3.0) >= 3.3.18
 BuildRequires:  pkgconfig(libgtop-2.0) >= 2.37.2
+BuildRequires:  pkgconfig(libhandy-1) >= 1.0.0
 BuildRequires:  pkgconfig(librsvg-2.0) >= 2.35
 BuildRequires:  pkgconfig(libsystemd) >= 44
 BuildRequires:  pkgconfig(libxml-2.0) >= 2.0
@@ -69,7 +70,7 @@ translation-update-upstream po gnome-system-monitor
 
 %files
 %license COPYING
-%doc AUTHORS ChangeLog NEWS README
+%doc NEWS README.md
 %doc %{_datadir}/help/C/%{name}/
 %{_bindir}/gnome-system-monitor
 %{_datadir}/applications/gnome-system-monitor.desktop
@@ -83,9 +84,11 @@ translation-update-upstream po gnome-system-monitor
 %dir %{_libexecdir}/%{name}/
 %{_libexecdir}/%{name}/gsm-kill
 %{_libexecdir}/%{name}/gsm-renice
+%{_libexecdir}/%{name}/gsm-taskset
 %dir %{_datadir}/%{name}
 %{_datadir}/%{name}/gsm.gresource
 %{_datadir}/icons/hicolor/*/apps/org.gnome.SystemMonitor*.svg
+%{_datadir}/icons/hicolor/symbolic/apps/speedometer-symbolic.svg
 
 %files lang -f %{name}.lang