diff --git a/types/localtunnel/index.d.ts b/types/localtunnel/index.d.ts
index 38efd5862b..ad91ac6dfb 100644
--- a/types/localtunnel/index.d.ts
+++ b/types/localtunnel/index.d.ts
@@ -1,42 +1,60 @@
-// Type definitions for localtunnel 1.9
+// Type definitions for localtunnel 2.0
 // Project: https://github.com/localtunnel/localtunnel
 // Definitions by: Vladyslav Khrapov <https://github.com/vladhrapov>
+//                 Noam Alffasy <https://github.com/noamalffasy>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
+/// <reference types="node" />
+
+import { EventEmitter } from "events";
+
 export = localtunnel;
 
 declare function localtunnel(
-    port: number,
-    opt: localtunnel.TunnelConfig,
-    callback: localtunnel.TunnelCallback
+    port: number | localtunnel.TunnelConfig & { port: number }
+): Promise<localtunnel.Tunnel>;
+
+declare function localtunnel(
+    opts: localtunnel.TunnelConfig & { port: number },
+    callback: localtunnel.TunnelCallback,
 ): localtunnel.Tunnel;
 
 declare function localtunnel(
     port: number,
-    callback: localtunnel.TunnelCallback
+    opts: localtunnel.TunnelConfig
+): Promise<localtunnel.Tunnel>;
+
+declare function localtunnel(
+    port: number,
+    opts: localtunnel.TunnelConfig,
+    callback: localtunnel.TunnelCallback,
 ): localtunnel.Tunnel;
 
 declare namespace localtunnel {
     type TunnelCallback = (
-        err: string,
+        err?: string,
         tunnel?: Tunnel
     ) => void;
 
     interface TunnelConfig {
-        host?: string;
         subdomain?: string;
-        port?: number;
+        host?: string;
         local_host?: string;
+        local_https?: boolean;
+        local_cert?: string;
+        local_key?: string;
+        local_ca?: string;
+        allow_invalid_cert?: boolean;
     }
 
-    interface Tunnel {
+    interface Tunnel extends EventEmitter {
         url: string;
-        tunnel_cluster: TunnelCluster;
-        open(err: string, tunnel?: Tunnel): void;
+        tunnelCluster: TunnelCluster;
+        open(cb: ((err: string) => void) | (() => void)): void;
         close(): void;
     }
 
-    interface TunnelCluster {
-        domain: string;
+    interface TunnelCluster extends EventEmitter {
+        open(): void;
     }
 }
diff --git a/types/localtunnel/localtunnel-tests.ts b/types/localtunnel/localtunnel-tests.ts
index 9d631c65e1..12145019f0 100644
--- a/types/localtunnel/localtunnel-tests.ts
+++ b/types/localtunnel/localtunnel-tests.ts
@@ -1,10 +1,54 @@
 import localtunnel = require('localtunnel');
 
-let tunnel: localtunnel.Tunnel;
+let tunnel: localtunnel.Tunnel | Promise<localtunnel.Tunnel>;
 
-tunnel = localtunnel(3000, () => {});
+tunnel = localtunnel(3000);
+tunnel = localtunnel({
+    subdomain: '',
+    host: '',
+    local_host: '',
+    local_https: true,
+    local_cert: '',
+    local_key: '',
+    local_ca: '',
+    allow_invalid_cert: true,
+    port: 3000,
+});
+tunnel = localtunnel(
+    {
+        subdomain: '',
+        host: '',
+        local_host: '',
+        local_https: true,
+        local_cert: '',
+        local_key: '',
+        local_ca: '',
+        allow_invalid_cert: true,
+        port: 3000,
+    },
+    () => {},
+);
+tunnel = localtunnel(3000, {
+    subdomain: '',
+    host: '',
+    local_host: '',
+    local_https: true,
+    local_cert: '',
+    local_key: '',
+    local_ca: '',
+    allow_invalid_cert: true,
+});
 tunnel = localtunnel(
     3000,
-    { host: '', local_host: '', port: 3000, subdomain: '' },
-    () => {}
+    {
+        subdomain: '',
+        host: '',
+        local_host: '',
+        local_https: true,
+        local_cert: '',
+        local_key: '',
+        local_ca: '',
+        allow_invalid_cert: true,
+    },
+    () => {},
 );