diff --git a/src/index.ts b/src/index.ts
index 19e864b..0bdc4db 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1215,6 +1215,7 @@ export interface AbstractBookableObject extends AbstractSelectableObject {
     readonly extraData: {} | undefined
     readonly forSale: boolean
     readonly dataPerEvent: Dict<object>
+    readonly seasonStatusOverriddenQuantity: number
 
     // renderer properties
     inSelectableChannel?: boolean