diff --git a/types/index.d.ts b/types/index.d.ts
index 4abe499..f6cb849 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -54,6 +54,7 @@ declare namespace inject {
     payload?: InjectPayload
     body?: InjectPayload
     server?: http.Server
+    autoStart?: boolean
     cookies?: { [k: string]: string },
     signal?: AbortSignal,
     Request?: object,
diff --git a/types/index.test-d.ts b/types/index.test-d.ts
index 4ff3b20..4223a3c 100644
--- a/types/index.test-d.ts
+++ b/types/index.test-d.ts
@@ -3,6 +3,10 @@ import { inject, isInjection, Response, DispatchFunc, InjectOptions, Chain } fro
 import { expectType, expectAssignable, expectNotAssignable } from 'tsd'
 
 expectAssignable<InjectOptions>({ url: '/' })
+expectAssignable<InjectOptions>({ autoStart: true })
+expectAssignable<InjectOptions>({ autoStart: false })
+expectAssignable<InjectOptions>({ validate: true })
+expectAssignable<InjectOptions>({ validate: false })
 
 const dispatch: http.RequestListener = function (req, res) {
   expectAssignable<http.IncomingMessage>(req)