diff --git a/package.json b/package.json
index 8c0cdd5..3995936 100644
--- a/package.json
+++ b/package.json
@@ -15,12 +15,14 @@
     "dotenv": "^16.3.1",
     "esbuild": "0.19.0",
     "express": "^4.18.2",
+    "express-ws": "^5.0.2",
     "firebase": "^10.1.0",
     "preact": "^10.16.0",
     "ts-node": "^10.9.1",
     "wrtc": "^0.4.7"
   },
   "devDependencies": {
-    "@types/express": "^4.17.17"
+    "@types/express": "^4.17.17",
+    "@types/express-ws": "^3.0.1"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 6b01848..038143a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -17,6 +17,9 @@ dependencies:
   express:
     specifier: ^4.18.2
     version: 4.18.2
+  express-ws:
+    specifier: ^5.0.2
+    version: 5.0.2(express@4.18.2)
   firebase:
     specifier: ^10.1.0
     version: 10.1.0(react-native@0.72.3)
@@ -34,6 +37,9 @@ devDependencies:
   '@types/express':
     specifier: ^4.17.17
     version: 4.17.17
+  '@types/express-ws':
+    specifier: ^3.0.1
+    version: 3.0.1
 
 packages:
 
@@ -2618,6 +2624,14 @@ packages:
       '@types/send': 0.17.1
     dev: true
 
+  /@types/express-ws@3.0.1:
+    resolution: {integrity: sha512-VguRXzcpPBF0IggIGpUoM65cZJDfMQxoc6dKoCz1yLzcwcXW7ft60yhq3ygKhyEhEIQFtLrWjyz4AJ1qjmzCFw==}
+    dependencies:
+      '@types/express': 4.17.17
+      '@types/express-serve-static-core': 4.17.35
+      '@types/ws': 8.5.5
+    dev: true
+
   /@types/express@4.17.17:
     resolution: {integrity: sha512-Q4FmmuLGBG58btUnfS1c1r/NQdlp3DMfGDGig8WhfpA2YRUtEkxAjkZb0yvplJGYdF1fsQ81iMDcH24sSCNC/Q==}
     dependencies:
@@ -2689,6 +2703,12 @@ packages:
     resolution: {integrity: sha512-Hl219/BT5fLAaz6NDkSuhzasy49dwQS/DSdu4MdggFB8zcXv7vflBI3xp7FEmkmdDkBUI2bPUNeMttp2knYdxw==}
     dev: false
 
+  /@types/ws@8.5.5:
+    resolution: {integrity: sha512-lwhs8hktwxSjf9UaZ9tG5M03PGogvFaH8gUgLNbN9HKIg0dvv6q+gkSuJ8HN4/VbyxkuLzCjlN7GquQ0gUJfIg==}
+    dependencies:
+      '@types/node': 20.4.9
+    dev: true
+
   /@types/yargs-parser@21.0.0:
     resolution: {integrity: sha512-iO9ZQHkZxHn4mSakYV0vFHAVDyEOIJQrV2uZ06HxEPcx+mt8swXoZHIbaaJ2crJYFfErySgktuTZ3BeLz+XmFA==}
     dev: false
@@ -3536,6 +3556,19 @@ packages:
       strip-final-newline: 2.0.0
     dev: false
 
+  /express-ws@5.0.2(express@4.18.2):
+    resolution: {integrity: sha512-0uvmuk61O9HXgLhGl3QhNSEtRsQevtmbL94/eILaliEADZBHZOQUAiHFrGPrgsjikohyrmSG5g+sCfASTt0lkQ==}
+    engines: {node: '>=4.5.0'}
+    peerDependencies:
+      express: ^4.0.0 || ^5.0.0-alpha.1
+    dependencies:
+      express: 4.18.2
+      ws: 7.5.9
+    transitivePeerDependencies:
+      - bufferutil
+      - utf-8-validate
+    dev: false
+
   /express@4.18.2:
     resolution: {integrity: sha512-5/PsL6iGPdfQ/lKM1UuielYgv3BUoJfz1aUwU9vHZ+J7gyvwdQXFEBIEIaxeGf0GIcreATNyBExtalisDbuMqQ==}
     engines: {node: '>= 0.10.0'}
diff --git a/server/main.ts b/server/main.ts
index 306a614..3b15bc9 100644
--- a/server/main.ts
+++ b/server/main.ts
@@ -1,5 +1,6 @@
 import dotenv from "dotenv";
 import express from "express";
+import expressWs from "express-ws";
 import * as wrtc from "wrtc";
 
 const configuration = {
@@ -66,7 +67,9 @@ async function connect(
   }
 }
 
-const app = express();
+const app = express() as unknown as expressWs.Application;
+expressWs(app);
+
 app.use(express.json());
 app.use((req, res, next) => {
   res.header("Access-Control-Allow-Origin", "*");
@@ -87,4 +90,11 @@ app.post("/connect", (req, res) => {
   }
 });
 
+app.ws("/dev-ws", (ws, req) => {
+  console.log("ws connect");
+  ws.on("message", (msg) => {
+    console.log({ msg });
+  });
+});
+
 app.listen(3000, () => console.log("listening"));