diff --git a/types/stripe/index.d.ts b/types/stripe/index.d.ts
index dc92c99e47..b28f84b9ca 100644
--- a/types/stripe/index.d.ts
+++ b/types/stripe/index.d.ts
@@ -2363,7 +2363,10 @@ declare namespace Stripe {
              */
             discountable: boolean;
 
-            invoice: string;
+            /**
+             * If null, the invoice item is pending and will be included in the upcoming invoice.
+             */ 
+            invoice: string | null;
             livemode: boolean;
             metadata: IMetadata;