diff --git a/.gitignore b/.gitignore
index 94bd269..9af4dd8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /gnome-shell-3.37.2.tar.xz
 /gnome-shell-3.37.3.tar.xz
 /gnome-shell-3.38.0.tar.xz
+/gnome-shell-40.beta.tar.xz
diff --git a/gnome-extensions-app.spec b/gnome-extensions-app.spec
index dc0613f..17ba425 100644
--- a/gnome-extensions-app.spec
+++ b/gnome-extensions-app.spec
@@ -1,14 +1,15 @@
 %global _vpath_srcdir subprojects/extensions-app
 %global source_name gnome-shell
+%global upstream_version 40.beta
 
 Name:          gnome-extensions-app
-Version:       3.38.0
-Release:       2%{?dist}
+Version:       40.0~beta
+Release:       1%{?dist}
 Summary:       Manage GNOME Shell extensions
 
 License:       GPLv2+
 URL:           https://gitlab.gnome.org/GNOME/%{source_name}
-Source0:       https://download.gnome.org/sources/%{source_name}/3.38/%{source_name}-%{version}.tar.xz
+Source0:       https://download.gnome.org/sources/%{source_name}/40/%{source_name}-%{upstream_version}.tar.xz
 
 Patch0:        0001-extensions-app-Add-compatibility-with-GNOME-3.34.patch
 
@@ -18,7 +19,7 @@ BuildRequires: meson
 BuildRequires: git
 
 BuildRequires: pkgconfig(glib-2.0)
-BuildRequires: pkgconfig(gtk+-3.0)
+BuildRequires: pkgconfig(gtk4)
 BuildRequires: pkgconfig(gobject-introspection-1.0)
 BuildRequires: gjs
 BuildRequires: desktop-file-utils
@@ -35,7 +36,7 @@ GNOME Shell extensions.
 
 
 %prep
-%setup -q -n %{source_name}-%{version}
+%setup -q -n %{source_name}-%{upstream_version}
 
 %if 0%{?flatpak}
 %patch0 -p1
@@ -77,6 +78,9 @@ rm -rf %{buildroot}/%{_datadir}/%{name}/gir-1.0
 
 
 %changelog
+* Thu Mar 11 2021 Florian Müllner <fmuellner@redhat.com> - 40.0~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 5156476..8b5fdec 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (gnome-shell-3.38.0.tar.xz) = 5188d303886afbab480d9086ced0818e819e1916cf5062f20b7f938ba0c427a338e27946ae96ec855942c9f4b7b68619b92364e934f3e2068f08f905c09cc56d
+SHA512 (gnome-shell-40.beta.tar.xz) = 6f673c429d0b1b26979de72f945ab5cb47023a28d63b55fbc30d807aeace7389212dc0100aed4ff95300853598d08fda7a82c9da14ae8190619c04dd9ad95c50