diff --git a/types/aws-lambda/aws-lambda-tests.ts b/types/aws-lambda/aws-lambda-tests.ts
index c2eb8da77e..ebd31429de 100644
--- a/types/aws-lambda/aws-lambda-tests.ts
+++ b/types/aws-lambda/aws-lambda-tests.ts
@@ -69,6 +69,7 @@ var cloudformationCustomResourceResponse: AWSLambda.CloudFormationCustomResource
 /* API Gateway Event request context */
 str = apiGwEvtReqCtx.accountId;
 str = apiGwEvtReqCtx.apiId;
+authResponseContext = apiGwEvtReqCtx.authorizer;
 str = apiGwEvtReqCtx.httpMethod;
 str = apiGwEvtReqCtx.identity.accessKey;
 str = apiGwEvtReqCtx.identity.accountId;
diff --git a/types/aws-lambda/index.d.ts b/types/aws-lambda/index.d.ts
index 342d489d68..3b9e31f14c 100644
--- a/types/aws-lambda/index.d.ts
+++ b/types/aws-lambda/index.d.ts
@@ -16,6 +16,7 @@
 interface APIGatewayEventRequestContext {
     accountId: string;
     apiId: string;
+    authorizer?: AuthResponseContext | null | undefined;
     httpMethod: string;
     identity: {
         accessKey: string | null;