diff --git a/.gitignore b/.gitignore
index 2f96401..df0e71e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -115,3 +115,4 @@ gnome-system-monitor-2.28.1.tar.bz2
 /gnome-system-monitor-3.37.91.tar.xz
 /gnome-system-monitor-3.37.92.tar.xz
 /gnome-system-monitor-3.38.0.tar.xz
+/gnome-system-monitor-40.beta.tar.xz
diff --git a/gnome-system-monitor.spec b/gnome-system-monitor.spec
index beed6e4..29c46fd 100644
--- a/gnome-system-monitor.spec
+++ b/gnome-system-monitor.spec
@@ -1,13 +1,15 @@
 %global libgtop2_version 2.37.2
 
+%global tarball_version %%(echo %{version} | tr '~' '.')
+
 Name:           gnome-system-monitor
-Version:        3.38.0
-Release:        2%{?dist}
+Version:        40~beta
+Release:        1%{?dist}
 Summary:        Process and resource monitor
 
 License:        GPLv2+
 URL:            http://www.gnome.org/
-Source0:        http://download.gnome.org/sources/%{name}/3.38/%{name}-%{version}.tar.xz
+Source0:        https://download.gnome.org/sources/%{name}/40/%{name}-%{tarball_version}.tar.xz
 
 BuildRequires:  gcc
 BuildRequires:  gcc-c++
@@ -32,7 +34,7 @@ processes on your system. It also provides an overview of available resources
 such as CPU and memory.
 
 %prep
-%autosetup -p1
+%autosetup -p1 -n %{name}-%{tarball_version}
 
 %build
 %meson
@@ -49,7 +51,7 @@ desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/gnome-system-monit
 
 %files -f %{name}.lang
 %license COPYING
-%doc AUTHORS NEWS README
+%doc AUTHORS NEWS README.md
 %{_bindir}/gnome-system-monitor
 %{_datadir}/applications/gnome-system-monitor.desktop
 %{_datadir}/applications/gnome-system-monitor-kde.desktop
@@ -63,6 +65,9 @@ desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/gnome-system-monit
 %{_libexecdir}/gnome-system-monitor/
 
 %changelog
+* Thu Feb 18 2021 Kalev Lember <klember@redhat.com> - 40~beta-1
+- Update to 40.beta
+
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 3.38.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
 
diff --git a/sources b/sources
index bf30e96..0f4c9ad 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (gnome-system-monitor-3.38.0.tar.xz) = 9f54045fa837b85d40a80bc8b519f91513ae27ca157e07f415860e906444bf144b7a7a66e4a2a9a5b1fea4e69305414cf081bb34624c91d1476265b37b59368c
+SHA512 (gnome-system-monitor-40.beta.tar.xz) = c88442d037a004d8d9c7476c33ebf8b306c76f8fb434711cc214342326816b00c736473ad02a8d39948bc8922eb1646bb2ab3c60874bf0ecb1eda7fbcdc968ec