diff --git a/index.d.ts b/index.d.ts
index 8e4e55d..c3028f7 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -10,6 +10,7 @@ declare module "addresser" {
 		stateName: string;
 		placeName: string;
 		addressLine1: string;
+		addressLine2?: string;
 		streetNumber: string;
 		streetSuffix: string;
 		streetName: string;