diff --git a/src/document/scene-document-validation.ts b/src/document/scene-document-validation.ts
index d354885f..40291aef 100644
--- a/src/document/scene-document-validation.ts
+++ b/src/document/scene-document-validation.ts
@@ -80,6 +80,10 @@ import {
   isProjectScheduleWeekday,
   type ProjectScheduler
 } from "../scheduler/project-scheduler";
+import type {
+  ProjectDialogue,
+  ProjectDialogueLibrary
+} from "../dialogues/project-dialogues";
 
 export type SceneDiagnosticSeverity = "error" | "warning";
 export type SceneDiagnosticScope = "document" | "build";