diff --git a/types/get-port/get-port-tests.ts b/types/get-port/get-port-tests.ts
index b6e59890d6..53a9e8e69b 100644
--- a/types/get-port/get-port-tests.ts
+++ b/types/get-port/get-port-tests.ts
@@ -7,3 +7,7 @@ getPort().then(port => {
 getPort({ port: 3000 }).then(port => {
     console.log(port);
 });
+
+getPort({ port: [3000, 3001] }).then(port => {
+    console.log(port);
+});
diff --git a/types/get-port/index.d.ts b/types/get-port/index.d.ts
index 3f62b90c86..f8adb4851e 100644
--- a/types/get-port/index.d.ts
+++ b/types/get-port/index.d.ts
@@ -1,9 +1,9 @@
-// Type definitions for get-port 3.2
+// Type definitions for get-port 4.0
 // Project: https://github.com/sindresorhus/get-port
 // Definitions by: York Yao <https://github.com/plantain-00/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 declare module "get-port" {
-    var getPort: (options?: { port?: number, host?: string }) => PromiseLike<number>
+    var getPort: (options?: { port?: number | ReadonlyArray<number>, host?: string }) => PromiseLike<number>
     export = getPort;
 }