diff --git a/index.cjs b/index.mjs
similarity index 62%
rename from index.cjs
rename to index.mjs
index eab06b8..bdd569e 100644
--- a/index.cjs
+++ b/index.mjs
@@ -1,39 +1,42 @@
-const { Authorizer } = require('@authorizerdev/authorizer-js')
-const { Server } = require('@hocuspocus/server')
+import { Authorizer } from '@authorizerdev/authorizer-js';
+import { Server } from '@hocuspocus/server';
 
 const authorizer = new Authorizer({
   clientID: process.env.AUTHORIZER_CLIENT_ID,
   authorizerURL: 'https://auth.discours.io',
   redirectURL: 'https://testing.discours.io',
-})
-;(async () => {
+});
+
+const startServer = async () => {
   const server = await Server.configure({
     port: 4242,
     async onConnect({ connection }) {
-      connection.requiresAuthentication = true
+      connection.requiresAuthentication = true;
     },
     async onAuthenticate(data) {
       if (data.requestHeaders) {
         const params = {
           token_type: 'access_token',
           token: data.requestHeaders['authorization'] || '',
-        }
+        };
         if (params.token) {
-          const response = await authorizer.validateJWTToken(params)
+          const response = await authorizer.validateJWTToken(params);
           if (response?.data?.is_valid) {
-            const { sub: user, allowed_roles: roles } = response.data.claims
-            console.debug(`user_id: ${user} roles: ${roles}`)
+            const { sub: user, allowed_roles: roles } = response.data.claims;
+            console.debug(`user_id: ${user} roles: ${roles}`);
             return {
               id: user,
               roles,
-            }
+            };
           }
-          console.error('no valid auth token presented')
-          throw new Error('Not authorized!')
+          console.error('no valid auth token presented');
+          throw new Error('Not authorized!');
         }
       }
     },
-  }).listen()
+  }).listen();
 
-  server.listen()
-})()
+  server.listen();
+};
+
+startServer();
diff --git a/package.json b/package.json
index 9ae667c..dc2829a 100644
--- a/package.json
+++ b/package.json
@@ -1,12 +1,11 @@
 {
   "name": "discours-editing-server",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "discours.io webrtc p2p network helping crdt-server",
-  "main": "index.cjs",
+  "main": "index.mjs",
   "type": "module",
   "scripts": {
-    "fix": "npx @biomejs/biome check --apply-unsafe .",
-    "start": "node ./index.cjs"
+    "start": "node ./index.mjs"
   },
   "repository": {
     "type": "git",