diff --git a/public/index.html b/public/index.html
index 1018ee6..892aba7 100644
--- a/public/index.html
+++ b/public/index.html
@@ -5,7 +5,7 @@
   <meta charset="UTF-8" />
   <title>Websockets drawing app</title>
   <link rel="stylesheet" type="text/css" href="styles.css" />
-  <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.1.1/socket.io.js"></script>
+  <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.5.0/socket.io.js"></script>
   <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.3.1/p5.min.js"></script>
   <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.3.1/addons/p5.sound.min.js"></script>
   <script type="text/javascript" src="sketch.js"></script>