diff --git a/src/document/scene-document.ts b/src/document/scene-document.ts
index 5534d192..9fc04caf 100644
--- a/src/document/scene-document.ts
+++ b/src/document/scene-document.ts
@@ -19,7 +19,8 @@ import {
   type ProjectTimeSettings
 } from "./project-time-settings";
 
-export const SCENE_DOCUMENT_VERSION = 40 as const;
+export const SCENE_DOCUMENT_VERSION = 41 as const;
+export const NPC_ENTITY_FOUNDATION_SCENE_DOCUMENT_VERSION = 41 as const;
 export const WORLD_TIME_ENVIRONMENT_SCENE_DOCUMENT_VERSION = 40 as const;
 export const PROJECT_TIME_NIGHT_BACKGROUND_SCENE_DOCUMENT_VERSION = 39 as const;
 export const PROJECT_TIME_DAY_NIGHT_PROFILE_SCENE_DOCUMENT_VERSION = 38 as const;