diff --git a/docs/flatpak.rst b/docs/flatpak.rst
index 89355b7..5689163 100644
--- a/docs/flatpak.rst
+++ b/docs/flatpak.rst
@@ -12,6 +12,7 @@ a module in your flatpak manifest:
    {
      "name": "blueprint-compiler",
      "buildsystem": "meson",
+     "cleanup": ["*"],
      "sources": [
        {
          "type": "git",