diff --git a/types/paypal-rest-sdk/index.d.ts b/types/paypal-rest-sdk/index.d.ts
index 414c3fa0f5..d6457fc981 100644
--- a/types/paypal-rest-sdk/index.d.ts
+++ b/types/paypal-rest-sdk/index.d.ts
@@ -162,7 +162,7 @@ export interface Transaction {
     };
     notify_url?: string;
     order_url?: string;
-    readonly related_resources?: RelatedResources;
+    readonly related_resources?: RelatedResources[];
 }
 
 export interface Payee {