diff --git a/src/index.test.ts b/src/index.test.ts
index f6ddf15..1ac09e9 100644
--- a/src/index.test.ts
+++ b/src/index.test.ts
@@ -482,6 +482,7 @@ seatingChart.listSelectedObjects().then(objects => {
         obj.accessible
         obj.category
         obj.companionSeat
+        obj.liftUpArmrests
         obj.deselect
         obj.displayObjectType
         obj.label
diff --git a/src/index.ts b/src/index.ts
index 6c1b7e1..e2325f7 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1341,6 +1341,7 @@ export interface AbstractSelectableObject extends InteractiveObject {
     readonly accessible: boolean | undefined
     readonly restrictedView: boolean | undefined
     readonly companionSeat: boolean | undefined
+    readonly liftUpArmrests: boolean | undefined
     readonly displayObjectType: string | undefined
     readonly category?: CategoryToJSON
     readonly pricing: PricingJson