diff --git a/gnome-kiosk.spec b/gnome-kiosk.spec
index dfc74cc..475c977 100644
--- a/gnome-kiosk.spec
+++ b/gnome-kiosk.spec
@@ -5,7 +5,7 @@
 %global gnome_desktop_version                   40~rc
 %global glib2_version                           2.68.0
 %global gtk4_version                            3.24.27
-%global mutter_version                          40.0
+%global mutter_version                          41~beta
 %global gsettings_desktop_schemas_version       40~rc
 %global ibus_version                            1.5.24
 %global gnome_settings_daemon_version           40~rc
@@ -31,7 +31,7 @@ BuildRequires:  pkgconfig(gio-2.0) >= %{glib2_version}
 BuildRequires:  pkgconfig(gnome-desktop-3.0) >= %{gnome_desktop_version}
 BuildRequires:  pkgconfig(gtk4) >= %{gtk4_version}
 BuildRequires:  pkgconfig(ibus-1.0) >= %{ibus_version}
-BuildRequires:  pkgconfig(libmutter-8) >= %{mutter_version}
+BuildRequires:  pkgconfig(libmutter-9) >= %{mutter_version}
 BuildRequires:  mesa-libEGL-devel
 BuildRequires:  mesa-libGL-devel
 BuildRequires:  meson