diff --git a/demo-server/package.json b/demo-server/package.json
index 8eaa25a..c64d7cf 100644
--- a/demo-server/package.json
+++ b/demo-server/package.json
@@ -21,7 +21,7 @@
     "engine.io": "workspace:*",
     "socket.io": "workspace:*",
     "socket.io-serverless": "workspace:^",
-    "socket.io-serverless-npm": "npm:socket.io-serverless@0.1.0-beta3"
+    "socket.io-serverless-npm": "npm:socket.io-serverless@0.1.0-beta4"
   },
   "devDependencies": {
     "@cloudflare/workers-types": "^4.20241004.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8a9a0b4..4da860b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -134,8 +134,8 @@ importers:
         specifier: workspace:^
         version: link:../socket.io-serverless
       socket.io-serverless-npm:
-        specifier: npm:socket.io-serverless@0.1.0-beta3
-        version: socket.io-serverless@0.1.0-beta3
+        specifier: npm:socket.io-serverless@0.1.0-beta4
+        version: socket.io-serverless@0.1.0-beta4
     devDependencies:
       '@cloudflare/workers-types':
         specifier: ^4.20241004.0
@@ -2772,8 +2772,8 @@ packages:
     resolution: {integrity: sha512-/GbIKmo8ioc+NIWIhwdecY0ge+qVBSMdgxGygevmdHj24bsfgtCmcUUcQ5ZzcylGFHsN3k4HB4Cgkl96KVnuew==}
     engines: {node: '>=10.0.0'}
 
-  socket.io-serverless@0.1.0-beta3:
-    resolution: {integrity: sha512-U+LXs9qZ8UwMIuVARXInm29dv1MCOqCH9uRROQiM9b1A2ybWy85uDuDJDmdwTZbs2zPYEo+h83XXMdLMj6CrgQ==}
+  socket.io-serverless@0.1.0-beta4:
+    resolution: {integrity: sha512-AZxWA9BL7qlcrWLxXtNxMQEjUCugHLmKq1Vu2FoAs00pMHEHxb478V5QUsgvEhrEZfClWMrVUKW8gv8HvZyaug==}
 
   source-map-js@1.2.1:
     resolution: {integrity: sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==}
@@ -5479,7 +5479,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  socket.io-serverless@0.1.0-beta3: {}
+  socket.io-serverless@0.1.0-beta4: {}
 
   source-map-js@1.2.1: {}