diff --git a/index.d.ts b/index.d.ts
index c23ae10..59f811d 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,4 +1,6 @@
 import {
+  ALBEvent,
+  ALBEventRequestContext,
   APIGatewayEventRequestContext,
   APIGatewayProxyEvent,
   APIGatewayProxyEventV2,
@@ -163,7 +165,7 @@ export declare class Request {
   body: any;
   rawBody: string;
   route: '';
-  requestContext: APIGatewayEventRequestContext;
+  requestContext: APIGatewayEventRequestContext | ALBEventRequestContext;
   isBase64Encoded: boolean;
   pathParameters: { [name: string]: string } | null;
   stageVariables: { [name: string]: string } | null;
@@ -343,12 +345,12 @@ export declare class API {
   finally(callback: FinallyFunction): void;
 
   run(
-    event: APIGatewayProxyEvent | APIGatewayProxyEventV2,
+    event: APIGatewayProxyEvent | APIGatewayProxyEventV2 | ALBEvent,
     context: Context,
     cb: (err: Error, result: any) => void
   ): void;
   run(
-    event: APIGatewayProxyEvent | APIGatewayProxyEventV2,
+    event: APIGatewayProxyEvent | APIGatewayProxyEventV2 | ALBEvent,
     context: Context
   ): Promise<any>;
 }