diff --git a/packaging/linux/flatpak/ai.storyteller.vectorcraft.bundle.yml b/packaging/linux/flatpak/ai.storyteller.vectorcraft.bundle.yml
index 2ca1cd565..f9cee58d6 100644
--- a/packaging/linux/flatpak/ai.storyteller.vectorcraft.bundle.yml
+++ b/packaging/linux/flatpak/ai.storyteller.vectorcraft.bundle.yml
@@ -17,6 +17,7 @@ runtime-version: '25.08'
 sdk: org.freedesktop.Sdk
 command: vectorcraft
 finish-args:
+  - --filesystem=xdg-data/ArtCraft/versions:ro
   # X11 shared memory (MIT-SHM). Without it the X11 fallback is slow or fails.
   - --share=ipc
   # Display: Wayland first; X11 only when no Wayland compositor is running.
diff --git a/packaging/linux/flatpak/ai.storyteller.vectorcraft.yml b/packaging/linux/flatpak/ai.storyteller.vectorcraft.yml
index 5a61afbba..681763793 100644
--- a/packaging/linux/flatpak/ai.storyteller.vectorcraft.yml
+++ b/packaging/linux/flatpak/ai.storyteller.vectorcraft.yml
@@ -17,6 +17,7 @@ sdk-extensions:
   - org.freedesktop.Sdk.Extension.rust-stable
 command: vectorcraft
 finish-args:
+  - --filesystem=xdg-data/ArtCraft/versions:ro
   # Keep identical to ai.storyteller.vectorcraft.bundle.yml (the release bundle); comments there.
   - --share=ipc
   - --socket=wayland