diff --git a/packaging/linux/flatpak/ai.storyteller.soundcraft.yml b/packaging/linux/flatpak/ai.storyteller.soundcraft.yml
index 4af6251f..02bad718 100644
--- a/packaging/linux/flatpak/ai.storyteller.soundcraft.yml
+++ b/packaging/linux/flatpak/ai.storyteller.soundcraft.yml
@@ -23,6 +23,7 @@ sdk-extensions:
   - org.freedesktop.Sdk.Extension.rust-stable
 command: soundcraft
 finish-args:
+  - --filesystem=xdg-data/ArtCraft/versions:ro
   # Display: Wayland first; X11 only when no Wayland compositor is running.
   - --socket=wayland
   - --socket=fallback-x11