diff --git a/flatpak/flathub.preinstall b/flatpak/flathub.preinstall
index e5fdb11..8da2385 100644
--- a/flatpak/flathub.preinstall
+++ b/flatpak/flathub.preinstall
@@ -3,5 +3,5 @@
 # in different repositories (see https://github.com/flatpak/flatpak/issues/3094 for details).
 # So explicitly install here.
 [Flatpak Preinstall org.freedesktop.Platform.GL.default]
-Branch=25.08
+Branch=26.08
 IsRuntime=true