diff --git a/system_files/desktop/gnome/etc/flatpak/install b/system_files/desktop/gnome/etc/flatpak/install
index 4f0788b9..9dc94503 100644
--- a/system_files/desktop/gnome/etc/flatpak/install
+++ b/system_files/desktop/gnome/etc/flatpak/install
@@ -4,3 +4,5 @@ org.freedesktop.Platform.VulkanLayer.vkBasalt//22.08
 io.github.Foldex.AdwSteamGtk
 org.gnome.Loupe
 com.mattjakeman.ExtensionManager
+org.gtk.Gtk3theme.adw-gtk3
+org.gtk.Gtk3theme.adw-gtk3-dark