diff --git a/src/types.ts b/src/types.ts
index 1b4a111..435fe5f 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -45,31 +45,41 @@ export enum WebsocketMessageType {
 
 export type WebsocketMessage = {
     type: WebsocketMessageType.Ping,
+    id?: number,
 } | {
     type: WebsocketMessageType.Pong,
+    id?: number,
 } | {
     type: WebsocketMessageType.Identify,
+    id?: number,
     payload: WebsocketIdentify
 } | {
     type: WebsocketMessageType.Ready,
+    id?: number,
     payload: WebsocketReady
 } | {
     type: WebsocketMessageType.NewMessage,
+    id?: number,
     payload: WebsocketNewMessage
 } | {
     type: WebsocketMessageType.NewChannel,
+    id?: number,
     payload: WebsocketNewChannel
 } | {
     type: WebsocketMessageType.NewServer,
+    id?: number,
     payload: WebsocketNewServer,
 } | {
     type: WebsocketMessageType.NewUser,
+    id?: number,
     payload: WebsocketNewUser,
 } | {
     type: WebsocketMessageType.DeleteServer,
+    id?: number,
     payload: WebsocketDeleteServer,
 } | {
     type: WebsocketMessageType.DeleteUser,
+    id?: number,
     payload: WebsocketDeleteUser,
 }