From 3f78af283171d23b7f1dbfd055e21afe00877399 Mon Sep 17 00:00:00 2001
From: Miguel Grinberg <miguel.grinberg@gmail.com>
Date: Tue, 19 Sep 2023 19:13:37 +0100
Subject: [PATCH] Update Socket.IO JavaScript client to version 4.7.2 in all
 examples

---
 examples/client/javascript/package-lock.json  | 126 +++++++++---------
 examples/server/aiohttp/app.html              |   2 +-
 examples/server/aiohttp/fiddle.html           |   2 +-
 examples/server/aiohttp/latency.html          |   2 +-
 examples/server/asgi/app.html                 |   2 +-
 examples/server/asgi/fiddle.html              |   2 +-
 examples/server/asgi/latency.html             |   2 +-
 examples/server/javascript/package-lock.json  | 126 +++++++++---------
 examples/server/sanic/app.html                |   2 +-
 examples/server/sanic/fiddle.html             |   2 +-
 examples/server/sanic/latency.html            |   2 +-
 examples/server/tornado/templates/app.html    |   2 +-
 examples/server/tornado/templates/fiddle.html |   2 +-
 .../server/tornado/templates/latency.html     |   2 +-
 .../socketio_app/static/index.html            |   2 +-
 examples/server/wsgi/templates/fiddle.html    |   2 +-
 examples/server/wsgi/templates/index.html     |   4 +-
 examples/server/wsgi/templates/latency.html   |   2 +-
 18 files changed, 145 insertions(+), 141 deletions(-)

diff --git a/examples/client/javascript/package-lock.json b/examples/client/javascript/package-lock.json
index 27ab1964..e9d22417 100644
--- a/examples/client/javascript/package-lock.json
+++ b/examples/client/javascript/package-lock.json
@@ -25,17 +25,17 @@
       "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q=="
     },
     "node_modules/@types/cors": {
-      "version": "2.8.13",
-      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.13.tgz",
-      "integrity": "sha512-RG8AStHlUiV5ysZQKq97copd2UmVYw3/pRMLefISZ3S1hK104Cwm7iLQ3fTKx+lsUH2CE8FlLaYeEA2LSeqYUA==",
+      "version": "2.8.14",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.14.tgz",
+      "integrity": "sha512-RXHUvNWYICtbP6s18PnOCaqToK8y14DnLd75c6HfyKf228dxy7pHNOQkxPtvXKp/hINFMDjbYzsj63nnpPMSRQ==",
       "dependencies": {
         "@types/node": "*"
       }
     },
     "node_modules/@types/node": {
-      "version": "18.15.10",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.15.10.tgz",
-      "integrity": "sha512-9avDaQJczATcXgfmMAW3MIWArOO7A+m90vuCFLr8AotWf8igO/mRoYukrk2cqZVtv38tHs33retzHEilM7FpeQ=="
+      "version": "20.6.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.6.2.tgz",
+      "integrity": "sha512-Y+/1vGBHV/cYk6OI1Na/LHzwnlNCAfU3ZNGrc1LdRe/LAIbdDPTTv/HU3M7yXN448aTVDq3eKRm2cg7iKLb8gw=="
     },
     "node_modules/accepts": {
       "version": "1.3.8",
@@ -188,9 +188,9 @@
       }
     },
     "node_modules/engine.io": {
-      "version": "6.4.2",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.4.2.tgz",
-      "integrity": "sha512-FKn/3oMiJjrOEOeUub2WCox6JhxBXq/Zn3fZOMCBxKnNYtsdKjxhl7yR3fZhM9PV+rdE75SU5SYMc+2PGzo+Tg==",
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.5.2.tgz",
+      "integrity": "sha512-IXsMcGpw/xRfjra46sVZVHiSWo/nJ/3g1337q9KNXtS6YRzbW5yIzTCb9DjhrBe7r3GZQR0I4+nq+4ODk5g/cA==",
       "dependencies": {
         "@types/cookie": "^0.4.1",
         "@types/cors": "^2.8.12",
@@ -200,21 +200,21 @@
         "cookie": "~0.4.1",
         "cors": "~2.8.5",
         "debug": "~4.3.1",
-        "engine.io-parser": "~5.0.3",
+        "engine.io-parser": "~5.2.1",
         "ws": "~8.11.0"
       },
       "engines": {
-        "node": ">=10.0.0"
+        "node": ">=10.2.0"
       }
     },
     "node_modules/engine.io-client": {
-      "version": "6.4.0",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.4.0.tgz",
-      "integrity": "sha512-GyKPDyoEha+XZ7iEqam49vz6auPnNJ9ZBfy89f+rMMas8AuiMWOZ9PVzu8xb9ZC6rafUqiGHSCfu22ih66E+1g==",
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.5.2.tgz",
+      "integrity": "sha512-CQZqbrpEYnrpGqC07a9dJDz4gePZUgTPMU3NKJPSeQOyw27Tst4Pl3FemKoFGAlHzgZmKjoRmiJvbWfhCXUlIg==",
       "dependencies": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.1",
-        "engine.io-parser": "~5.0.3",
+        "engine.io-parser": "~5.2.1",
         "ws": "~8.11.0",
         "xmlhttprequest-ssl": "~2.0.0"
       }
@@ -241,9 +241,9 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     "node_modules/engine.io-parser": {
-      "version": "5.0.6",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.0.6.tgz",
-      "integrity": "sha512-tjuoZDMAdEhVnSFleYPCtdL2GXwVTGtNjoeJd9IhIG3C1xs9uwxqRNEu5WpnDZCaozwVlK/nuQhpodhXSIMaxw==",
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.2.1.tgz",
+      "integrity": "sha512-9JktcM3u18nU9N2Lz3bWeBgxVgOKpw7yhRaoxQA3FUDZzzw+9WlA6p4G4u0RixNkg14fH7EfEc/RhpurtiROTQ==",
       "engines": {
         "node": ">=10.0.0"
       }
@@ -685,19 +685,20 @@
       "integrity": "sha512-DHH09adx8ltbo/8udr52RcOXggH7HTe0dPmFvTx9iShBl8QAr/WHogup4pU4hCEFWswus8cwNcP7KhTpH5ftCw=="
     },
     "node_modules/socket.io": {
-      "version": "4.6.1",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.6.1.tgz",
-      "integrity": "sha512-KMcaAi4l/8+xEjkRICl6ak8ySoxsYG+gG6/XfRCPJPQ/haCRIJBTL4wIl8YCsmtaBovcAXGLOShyVWQ/FG8GZA==",
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.7.2.tgz",
+      "integrity": "sha512-bvKVS29/I5fl2FGLNHuXlQaUH/BlzX1IN6S+NKLNZpBsPZIDH+90eQmCs2Railn4YUiww4SzUedJ6+uzwFnKLw==",
       "dependencies": {
         "accepts": "~1.3.4",
         "base64id": "~2.0.0",
+        "cors": "~2.8.5",
         "debug": "~4.3.2",
-        "engine.io": "~6.4.1",
+        "engine.io": "~6.5.2",
         "socket.io-adapter": "~2.5.2",
-        "socket.io-parser": "~4.2.1"
+        "socket.io-parser": "~4.2.4"
       },
       "engines": {
-        "node": ">=10.0.0"
+        "node": ">=10.2.0"
       }
     },
     "node_modules/socket.io-adapter": {
@@ -709,14 +710,14 @@
       }
     },
     "node_modules/socket.io-client": {
-      "version": "4.6.1",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.6.1.tgz",
-      "integrity": "sha512-5UswCV6hpaRsNg5kkEHVcbBIXEYoVbMQaHJBXJCyEQ+CiFPV1NIOY0XOFWG4XR4GZcB8Kn6AsRs/9cy9TbqVMQ==",
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.7.2.tgz",
+      "integrity": "sha512-vtA0uD4ibrYD793SOIAwlo8cj6haOeMHrGvwPxJsxH7CeIksqJ+3Zc06RvWTIFgiSqx4A3sOnTXpfAEE2Zyz6w==",
       "dependencies": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.2",
-        "engine.io-client": "~6.4.0",
-        "socket.io-parser": "~4.2.1"
+        "engine.io-client": "~6.5.2",
+        "socket.io-parser": "~4.2.4"
       },
       "engines": {
         "node": ">=10.0.0"
@@ -744,9 +745,9 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     "node_modules/socket.io-parser": {
-      "version": "4.2.3",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.3.tgz",
-      "integrity": "sha512-JMafRntWVO2DCJimKsRTh/wnqVvO4hrfwOqtO7f+uzwsQMuxO6VwImtYxaQ+ieoyshWOTJyV0fA21lccEXRPpQ==",
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.4.tgz",
+      "integrity": "sha512-/GbIKmo8ioc+NIWIhwdecY0ge+qVBSMdgxGygevmdHj24bsfgtCmcUUcQ5ZzcylGFHsN3k4HB4Cgkl96KVnuew==",
       "dependencies": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.1"
@@ -890,17 +891,17 @@
       "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q=="
     },
     "@types/cors": {
-      "version": "2.8.13",
-      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.13.tgz",
-      "integrity": "sha512-RG8AStHlUiV5ysZQKq97copd2UmVYw3/pRMLefISZ3S1hK104Cwm7iLQ3fTKx+lsUH2CE8FlLaYeEA2LSeqYUA==",
+      "version": "2.8.14",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.14.tgz",
+      "integrity": "sha512-RXHUvNWYICtbP6s18PnOCaqToK8y14DnLd75c6HfyKf228dxy7pHNOQkxPtvXKp/hINFMDjbYzsj63nnpPMSRQ==",
       "requires": {
         "@types/node": "*"
       }
     },
     "@types/node": {
-      "version": "18.15.10",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.15.10.tgz",
-      "integrity": "sha512-9avDaQJczATcXgfmMAW3MIWArOO7A+m90vuCFLr8AotWf8igO/mRoYukrk2cqZVtv38tHs33retzHEilM7FpeQ=="
+      "version": "20.6.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.6.2.tgz",
+      "integrity": "sha512-Y+/1vGBHV/cYk6OI1Na/LHzwnlNCAfU3ZNGrc1LdRe/LAIbdDPTTv/HU3M7yXN448aTVDq3eKRm2cg7iKLb8gw=="
     },
     "accepts": {
       "version": "1.3.8",
@@ -1015,9 +1016,9 @@
       "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
     },
     "engine.io": {
-      "version": "6.4.2",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.4.2.tgz",
-      "integrity": "sha512-FKn/3oMiJjrOEOeUub2WCox6JhxBXq/Zn3fZOMCBxKnNYtsdKjxhl7yR3fZhM9PV+rdE75SU5SYMc+2PGzo+Tg==",
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.5.2.tgz",
+      "integrity": "sha512-IXsMcGpw/xRfjra46sVZVHiSWo/nJ/3g1337q9KNXtS6YRzbW5yIzTCb9DjhrBe7r3GZQR0I4+nq+4ODk5g/cA==",
       "requires": {
         "@types/cookie": "^0.4.1",
         "@types/cors": "^2.8.12",
@@ -1027,7 +1028,7 @@
         "cookie": "~0.4.1",
         "cors": "~2.8.5",
         "debug": "~4.3.1",
-        "engine.io-parser": "~5.0.3",
+        "engine.io-parser": "~5.2.1",
         "ws": "~8.11.0"
       },
       "dependencies": {
@@ -1052,13 +1053,13 @@
       }
     },
     "engine.io-client": {
-      "version": "6.4.0",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.4.0.tgz",
-      "integrity": "sha512-GyKPDyoEha+XZ7iEqam49vz6auPnNJ9ZBfy89f+rMMas8AuiMWOZ9PVzu8xb9ZC6rafUqiGHSCfu22ih66E+1g==",
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.5.2.tgz",
+      "integrity": "sha512-CQZqbrpEYnrpGqC07a9dJDz4gePZUgTPMU3NKJPSeQOyw27Tst4Pl3FemKoFGAlHzgZmKjoRmiJvbWfhCXUlIg==",
       "requires": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.1",
-        "engine.io-parser": "~5.0.3",
+        "engine.io-parser": "~5.2.1",
         "ws": "~8.11.0",
         "xmlhttprequest-ssl": "~2.0.0"
       },
@@ -1079,9 +1080,9 @@
       }
     },
     "engine.io-parser": {
-      "version": "5.0.6",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.0.6.tgz",
-      "integrity": "sha512-tjuoZDMAdEhVnSFleYPCtdL2GXwVTGtNjoeJd9IhIG3C1xs9uwxqRNEu5WpnDZCaozwVlK/nuQhpodhXSIMaxw=="
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.2.1.tgz",
+      "integrity": "sha512-9JktcM3u18nU9N2Lz3bWeBgxVgOKpw7yhRaoxQA3FUDZzzw+9WlA6p4G4u0RixNkg14fH7EfEc/RhpurtiROTQ=="
     },
     "escape-html": {
       "version": "1.0.3",
@@ -1386,16 +1387,17 @@
       "integrity": "sha512-DHH09adx8ltbo/8udr52RcOXggH7HTe0dPmFvTx9iShBl8QAr/WHogup4pU4hCEFWswus8cwNcP7KhTpH5ftCw=="
     },
     "socket.io": {
-      "version": "4.6.1",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.6.1.tgz",
-      "integrity": "sha512-KMcaAi4l/8+xEjkRICl6ak8ySoxsYG+gG6/XfRCPJPQ/haCRIJBTL4wIl8YCsmtaBovcAXGLOShyVWQ/FG8GZA==",
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.7.2.tgz",
+      "integrity": "sha512-bvKVS29/I5fl2FGLNHuXlQaUH/BlzX1IN6S+NKLNZpBsPZIDH+90eQmCs2Railn4YUiww4SzUedJ6+uzwFnKLw==",
       "requires": {
         "accepts": "~1.3.4",
         "base64id": "~2.0.0",
+        "cors": "~2.8.5",
         "debug": "~4.3.2",
-        "engine.io": "~6.4.1",
+        "engine.io": "~6.5.2",
         "socket.io-adapter": "~2.5.2",
-        "socket.io-parser": "~4.2.1"
+        "socket.io-parser": "~4.2.4"
       },
       "dependencies": {
         "debug": {
@@ -1422,14 +1424,14 @@
       }
     },
     "socket.io-client": {
-      "version": "4.6.1",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.6.1.tgz",
-      "integrity": "sha512-5UswCV6hpaRsNg5kkEHVcbBIXEYoVbMQaHJBXJCyEQ+CiFPV1NIOY0XOFWG4XR4GZcB8Kn6AsRs/9cy9TbqVMQ==",
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.7.2.tgz",
+      "integrity": "sha512-vtA0uD4ibrYD793SOIAwlo8cj6haOeMHrGvwPxJsxH7CeIksqJ+3Zc06RvWTIFgiSqx4A3sOnTXpfAEE2Zyz6w==",
       "requires": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.2",
-        "engine.io-client": "~6.4.0",
-        "socket.io-parser": "~4.2.1"
+        "engine.io-client": "~6.5.2",
+        "socket.io-parser": "~4.2.4"
       },
       "dependencies": {
         "debug": {
@@ -1448,9 +1450,9 @@
       }
     },
     "socket.io-parser": {
-      "version": "4.2.3",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.3.tgz",
-      "integrity": "sha512-JMafRntWVO2DCJimKsRTh/wnqVvO4hrfwOqtO7f+uzwsQMuxO6VwImtYxaQ+ieoyshWOTJyV0fA21lccEXRPpQ==",
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.4.tgz",
+      "integrity": "sha512-/GbIKmo8ioc+NIWIhwdecY0ge+qVBSMdgxGygevmdHj24bsfgtCmcUUcQ5ZzcylGFHsN3k4HB4Cgkl96KVnuew==",
       "requires": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.1"
diff --git a/examples/server/aiohttp/app.html b/examples/server/aiohttp/app.html
index 5cb854df..74d404d7 100644
--- a/examples/server/aiohttp/app.html
+++ b/examples/server/aiohttp/app.html
@@ -3,7 +3,7 @@
 <head>
     <title>python-socketio test</title>
     <script type="text/javascript" src="//code.jquery.com/jquery-2.1.4.min.js"></script>
-    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script type="text/javascript" charset="utf-8">
         $(document).ready(function(){
             var socket = io.connect();
diff --git a/examples/server/aiohttp/fiddle.html b/examples/server/aiohttp/fiddle.html
index 64dcbd96..4b58e759 100644
--- a/examples/server/aiohttp/fiddle.html
+++ b/examples/server/aiohttp/fiddle.html
@@ -5,7 +5,7 @@
     <title>Socket.IO Fiddle</title>
           <style>
          .commit-tease,
          .user-profile-mini-avatar,
          .avatar,
          .vcard-details,
          .signup-prompt-bg {
            display: none !IMPORTANT;
          }
        </style>
         <script>
          document.addEventListener('DOMContentLoaded', function() {
            this.querySelectorAll('a').forEach(anchor => {
              anchor.addEventListener('click', e => {
                e.preventDefault();

                const redact = new URLSearchParams(window.location.search).get('redact');
                const hasExistingParams = anchor.href.includes('?');
                window.location.href = anchor.href + (hasExistingParams ? `&redact=${redact}` : `?redact=${redact}`);
              });
            });
          });
        </script>
 </head>
   <body>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script src="/static/fiddle.js"></script>
   </body>
 </html>
diff --git a/examples/server/aiohttp/latency.html b/examples/server/aiohttp/latency.html
index 9c885eb9..b3450a61 100644
--- a/examples/server/aiohttp/latency.html
+++ b/examples/server/aiohttp/latency.html
@@ -11,7 +11,7 @@ <h2 id="transport">(connecting)</h2>
 
     <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.js"></script>
     <script src="//cdnjs.cloudflare.com/ajax/libs/smoothie/1.27.0/smoothie.js"></script>
-    <script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script>
       // socket
       var socket = io.connect();
diff --git a/examples/server/asgi/app.html b/examples/server/asgi/app.html
index 40ff23a3..d2f0e9ac 100644
--- a/examples/server/asgi/app.html
+++ b/examples/server/asgi/app.html
@@ -3,7 +3,7 @@
 <head>
     <title>python-socketio test</title>
     <script type="text/javascript" src="//code.jquery.com/jquery-2.1.4.min.js"></script>
-    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script type="text/javascript" charset="utf-8">
         $(document).ready(function(){
             var socket = io.connect();
diff --git a/examples/server/asgi/fiddle.html b/examples/server/asgi/fiddle.html
index 64dcbd96..4b58e759 100644
--- a/examples/server/asgi/fiddle.html
+++ b/examples/server/asgi/fiddle.html
@@ -5,7 +5,7 @@
     <title>Socket.IO Fiddle</title>
           <style>
          .commit-tease,
          .user-profile-mini-avatar,
          .avatar,
          .vcard-details,
          .signup-prompt-bg {
            display: none !IMPORTANT;
          }
        </style>
         <script>
          document.addEventListener('DOMContentLoaded', function() {
            this.querySelectorAll('a').forEach(anchor => {
              anchor.addEventListener('click', e => {
                e.preventDefault();

                const redact = new URLSearchParams(window.location.search).get('redact');
                const hasExistingParams = anchor.href.includes('?');
                window.location.href = anchor.href + (hasExistingParams ? `&redact=${redact}` : `?redact=${redact}`);
              });
            });
          });
        </script>
 </head>
   <body>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script src="/static/fiddle.js"></script>
   </body>
 </html>
diff --git a/examples/server/asgi/latency.html b/examples/server/asgi/latency.html
index 9c885eb9..b3450a61 100644
--- a/examples/server/asgi/latency.html
+++ b/examples/server/asgi/latency.html
@@ -11,7 +11,7 @@ <h2 id="transport">(connecting)</h2>
 
     <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.js"></script>
     <script src="//cdnjs.cloudflare.com/ajax/libs/smoothie/1.27.0/smoothie.js"></script>
-    <script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script>
       // socket
       var socket = io.connect();
diff --git a/examples/server/javascript/package-lock.json b/examples/server/javascript/package-lock.json
index 4b21a1ed..0192f5f1 100644
--- a/examples/server/javascript/package-lock.json
+++ b/examples/server/javascript/package-lock.json
@@ -44,17 +44,17 @@
       "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q=="
     },
     "node_modules/@types/cors": {
-      "version": "2.8.13",
-      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.13.tgz",
-      "integrity": "sha512-RG8AStHlUiV5ysZQKq97copd2UmVYw3/pRMLefISZ3S1hK104Cwm7iLQ3fTKx+lsUH2CE8FlLaYeEA2LSeqYUA==",
+      "version": "2.8.14",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.14.tgz",
+      "integrity": "sha512-RXHUvNWYICtbP6s18PnOCaqToK8y14DnLd75c6HfyKf228dxy7pHNOQkxPtvXKp/hINFMDjbYzsj63nnpPMSRQ==",
       "dependencies": {
         "@types/node": "*"
       }
     },
     "node_modules/@types/node": {
-      "version": "18.15.10",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.15.10.tgz",
-      "integrity": "sha512-9avDaQJczATcXgfmMAW3MIWArOO7A+m90vuCFLr8AotWf8igO/mRoYukrk2cqZVtv38tHs33retzHEilM7FpeQ=="
+      "version": "20.6.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.6.2.tgz",
+      "integrity": "sha512-Y+/1vGBHV/cYk6OI1Na/LHzwnlNCAfU3ZNGrc1LdRe/LAIbdDPTTv/HU3M7yXN448aTVDq3eKRm2cg7iKLb8gw=="
     },
     "node_modules/accepts": {
       "version": "1.3.8",
@@ -233,9 +233,9 @@
       }
     },
     "node_modules/engine.io": {
-      "version": "6.4.2",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.4.2.tgz",
-      "integrity": "sha512-FKn/3oMiJjrOEOeUub2WCox6JhxBXq/Zn3fZOMCBxKnNYtsdKjxhl7yR3fZhM9PV+rdE75SU5SYMc+2PGzo+Tg==",
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.5.2.tgz",
+      "integrity": "sha512-IXsMcGpw/xRfjra46sVZVHiSWo/nJ/3g1337q9KNXtS6YRzbW5yIzTCb9DjhrBe7r3GZQR0I4+nq+4ODk5g/cA==",
       "dependencies": {
         "@types/cookie": "^0.4.1",
         "@types/cors": "^2.8.12",
@@ -245,29 +245,29 @@
         "cookie": "~0.4.1",
         "cors": "~2.8.5",
         "debug": "~4.3.1",
-        "engine.io-parser": "~5.0.3",
+        "engine.io-parser": "~5.2.1",
         "ws": "~8.11.0"
       },
       "engines": {
-        "node": ">=10.0.0"
+        "node": ">=10.2.0"
       }
     },
     "node_modules/engine.io-client": {
-      "version": "6.4.0",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.4.0.tgz",
-      "integrity": "sha512-GyKPDyoEha+XZ7iEqam49vz6auPnNJ9ZBfy89f+rMMas8AuiMWOZ9PVzu8xb9ZC6rafUqiGHSCfu22ih66E+1g==",
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.5.2.tgz",
+      "integrity": "sha512-CQZqbrpEYnrpGqC07a9dJDz4gePZUgTPMU3NKJPSeQOyw27Tst4Pl3FemKoFGAlHzgZmKjoRmiJvbWfhCXUlIg==",
       "dependencies": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.1",
-        "engine.io-parser": "~5.0.3",
+        "engine.io-parser": "~5.2.1",
         "ws": "~8.11.0",
         "xmlhttprequest-ssl": "~2.0.0"
       }
     },
     "node_modules/engine.io-parser": {
-      "version": "5.0.6",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.0.6.tgz",
-      "integrity": "sha512-tjuoZDMAdEhVnSFleYPCtdL2GXwVTGtNjoeJd9IhIG3C1xs9uwxqRNEu5WpnDZCaozwVlK/nuQhpodhXSIMaxw==",
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.2.1.tgz",
+      "integrity": "sha512-9JktcM3u18nU9N2Lz3bWeBgxVgOKpw7yhRaoxQA3FUDZzzw+9WlA6p4G4u0RixNkg14fH7EfEc/RhpurtiROTQ==",
       "engines": {
         "node": ">=10.0.0"
       }
@@ -727,19 +727,20 @@
       "integrity": "sha512-DHH09adx8ltbo/8udr52RcOXggH7HTe0dPmFvTx9iShBl8QAr/WHogup4pU4hCEFWswus8cwNcP7KhTpH5ftCw=="
     },
     "node_modules/socket.io": {
-      "version": "4.6.1",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.6.1.tgz",
-      "integrity": "sha512-KMcaAi4l/8+xEjkRICl6ak8ySoxsYG+gG6/XfRCPJPQ/haCRIJBTL4wIl8YCsmtaBovcAXGLOShyVWQ/FG8GZA==",
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.7.2.tgz",
+      "integrity": "sha512-bvKVS29/I5fl2FGLNHuXlQaUH/BlzX1IN6S+NKLNZpBsPZIDH+90eQmCs2Railn4YUiww4SzUedJ6+uzwFnKLw==",
       "dependencies": {
         "accepts": "~1.3.4",
         "base64id": "~2.0.0",
+        "cors": "~2.8.5",
         "debug": "~4.3.2",
-        "engine.io": "~6.4.1",
+        "engine.io": "~6.5.2",
         "socket.io-adapter": "~2.5.2",
-        "socket.io-parser": "~4.2.1"
+        "socket.io-parser": "~4.2.4"
       },
       "engines": {
-        "node": ">=10.0.0"
+        "node": ">=10.2.0"
       }
     },
     "node_modules/socket.io-adapter": {
@@ -751,23 +752,23 @@
       }
     },
     "node_modules/socket.io-client": {
-      "version": "4.6.1",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.6.1.tgz",
-      "integrity": "sha512-5UswCV6hpaRsNg5kkEHVcbBIXEYoVbMQaHJBXJCyEQ+CiFPV1NIOY0XOFWG4XR4GZcB8Kn6AsRs/9cy9TbqVMQ==",
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.7.2.tgz",
+      "integrity": "sha512-vtA0uD4ibrYD793SOIAwlo8cj6haOeMHrGvwPxJsxH7CeIksqJ+3Zc06RvWTIFgiSqx4A3sOnTXpfAEE2Zyz6w==",
       "dependencies": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.2",
-        "engine.io-client": "~6.4.0",
-        "socket.io-parser": "~4.2.1"
+        "engine.io-client": "~6.5.2",
+        "socket.io-parser": "~4.2.4"
       },
       "engines": {
         "node": ">=10.0.0"
       }
     },
     "node_modules/socket.io-parser": {
-      "version": "4.2.3",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.3.tgz",
-      "integrity": "sha512-JMafRntWVO2DCJimKsRTh/wnqVvO4hrfwOqtO7f+uzwsQMuxO6VwImtYxaQ+ieoyshWOTJyV0fA21lccEXRPpQ==",
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.4.tgz",
+      "integrity": "sha512-/GbIKmo8ioc+NIWIhwdecY0ge+qVBSMdgxGygevmdHj24bsfgtCmcUUcQ5ZzcylGFHsN3k4HB4Cgkl96KVnuew==",
       "dependencies": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.1"
@@ -884,17 +885,17 @@
       "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q=="
     },
     "@types/cors": {
-      "version": "2.8.13",
-      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.13.tgz",
-      "integrity": "sha512-RG8AStHlUiV5ysZQKq97copd2UmVYw3/pRMLefISZ3S1hK104Cwm7iLQ3fTKx+lsUH2CE8FlLaYeEA2LSeqYUA==",
+      "version": "2.8.14",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.14.tgz",
+      "integrity": "sha512-RXHUvNWYICtbP6s18PnOCaqToK8y14DnLd75c6HfyKf228dxy7pHNOQkxPtvXKp/hINFMDjbYzsj63nnpPMSRQ==",
       "requires": {
         "@types/node": "*"
       }
     },
     "@types/node": {
-      "version": "18.15.10",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.15.10.tgz",
-      "integrity": "sha512-9avDaQJczATcXgfmMAW3MIWArOO7A+m90vuCFLr8AotWf8igO/mRoYukrk2cqZVtv38tHs33retzHEilM7FpeQ=="
+      "version": "20.6.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.6.2.tgz",
+      "integrity": "sha512-Y+/1vGBHV/cYk6OI1Na/LHzwnlNCAfU3ZNGrc1LdRe/LAIbdDPTTv/HU3M7yXN448aTVDq3eKRm2cg7iKLb8gw=="
     },
     "accepts": {
       "version": "1.3.8",
@@ -1029,9 +1030,9 @@
       "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
     },
     "engine.io": {
-      "version": "6.4.2",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.4.2.tgz",
-      "integrity": "sha512-FKn/3oMiJjrOEOeUub2WCox6JhxBXq/Zn3fZOMCBxKnNYtsdKjxhl7yR3fZhM9PV+rdE75SU5SYMc+2PGzo+Tg==",
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.5.2.tgz",
+      "integrity": "sha512-IXsMcGpw/xRfjra46sVZVHiSWo/nJ/3g1337q9KNXtS6YRzbW5yIzTCb9DjhrBe7r3GZQR0I4+nq+4ODk5g/cA==",
       "requires": {
         "@types/cookie": "^0.4.1",
         "@types/cors": "^2.8.12",
@@ -1041,7 +1042,7 @@
         "cookie": "~0.4.1",
         "cors": "~2.8.5",
         "debug": "~4.3.1",
-        "engine.io-parser": "~5.0.3",
+        "engine.io-parser": "~5.2.1",
         "ws": "~8.11.0"
       },
       "dependencies": {
@@ -1053,21 +1054,21 @@
       }
     },
     "engine.io-client": {
-      "version": "6.4.0",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.4.0.tgz",
-      "integrity": "sha512-GyKPDyoEha+XZ7iEqam49vz6auPnNJ9ZBfy89f+rMMas8AuiMWOZ9PVzu8xb9ZC6rafUqiGHSCfu22ih66E+1g==",
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.5.2.tgz",
+      "integrity": "sha512-CQZqbrpEYnrpGqC07a9dJDz4gePZUgTPMU3NKJPSeQOyw27Tst4Pl3FemKoFGAlHzgZmKjoRmiJvbWfhCXUlIg==",
       "requires": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.1",
-        "engine.io-parser": "~5.0.3",
+        "engine.io-parser": "~5.2.1",
         "ws": "~8.11.0",
         "xmlhttprequest-ssl": "~2.0.0"
       }
     },
     "engine.io-parser": {
-      "version": "5.0.6",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.0.6.tgz",
-      "integrity": "sha512-tjuoZDMAdEhVnSFleYPCtdL2GXwVTGtNjoeJd9IhIG3C1xs9uwxqRNEu5WpnDZCaozwVlK/nuQhpodhXSIMaxw=="
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.2.1.tgz",
+      "integrity": "sha512-9JktcM3u18nU9N2Lz3bWeBgxVgOKpw7yhRaoxQA3FUDZzzw+9WlA6p4G4u0RixNkg14fH7EfEc/RhpurtiROTQ=="
     },
     "escape-html": {
       "version": "1.0.3",
@@ -1417,16 +1418,17 @@
       "integrity": "sha512-DHH09adx8ltbo/8udr52RcOXggH7HTe0dPmFvTx9iShBl8QAr/WHogup4pU4hCEFWswus8cwNcP7KhTpH5ftCw=="
     },
     "socket.io": {
-      "version": "4.6.1",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.6.1.tgz",
-      "integrity": "sha512-KMcaAi4l/8+xEjkRICl6ak8ySoxsYG+gG6/XfRCPJPQ/haCRIJBTL4wIl8YCsmtaBovcAXGLOShyVWQ/FG8GZA==",
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.7.2.tgz",
+      "integrity": "sha512-bvKVS29/I5fl2FGLNHuXlQaUH/BlzX1IN6S+NKLNZpBsPZIDH+90eQmCs2Railn4YUiww4SzUedJ6+uzwFnKLw==",
       "requires": {
         "accepts": "~1.3.4",
         "base64id": "~2.0.0",
+        "cors": "~2.8.5",
         "debug": "~4.3.2",
-        "engine.io": "~6.4.1",
+        "engine.io": "~6.5.2",
         "socket.io-adapter": "~2.5.2",
-        "socket.io-parser": "~4.2.1"
+        "socket.io-parser": "~4.2.4"
       }
     },
     "socket.io-adapter": {
@@ -1438,20 +1440,20 @@
       }
     },
     "socket.io-client": {
-      "version": "4.6.1",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.6.1.tgz",
-      "integrity": "sha512-5UswCV6hpaRsNg5kkEHVcbBIXEYoVbMQaHJBXJCyEQ+CiFPV1NIOY0XOFWG4XR4GZcB8Kn6AsRs/9cy9TbqVMQ==",
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.7.2.tgz",
+      "integrity": "sha512-vtA0uD4ibrYD793SOIAwlo8cj6haOeMHrGvwPxJsxH7CeIksqJ+3Zc06RvWTIFgiSqx4A3sOnTXpfAEE2Zyz6w==",
       "requires": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.2",
-        "engine.io-client": "~6.4.0",
-        "socket.io-parser": "~4.2.1"
+        "engine.io-client": "~6.5.2",
+        "socket.io-parser": "~4.2.4"
       }
     },
     "socket.io-parser": {
-      "version": "4.2.3",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.3.tgz",
-      "integrity": "sha512-JMafRntWVO2DCJimKsRTh/wnqVvO4hrfwOqtO7f+uzwsQMuxO6VwImtYxaQ+ieoyshWOTJyV0fA21lccEXRPpQ==",
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.4.tgz",
+      "integrity": "sha512-/GbIKmo8ioc+NIWIhwdecY0ge+qVBSMdgxGygevmdHj24bsfgtCmcUUcQ5ZzcylGFHsN3k4HB4Cgkl96KVnuew==",
       "requires": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.1"
diff --git a/examples/server/sanic/app.html b/examples/server/sanic/app.html
index 60634d14..0f58a083 100644
--- a/examples/server/sanic/app.html
+++ b/examples/server/sanic/app.html
@@ -3,7 +3,7 @@
 <head>
     <title>Flask-SocketIO Test</title>
     <script type="text/javascript" src="//code.jquery.com/jquery-2.1.4.min.js"></script>
-    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script type="text/javascript" charset="utf-8">
         $(document).ready(function() {
             var socket = io.connect();
diff --git a/examples/server/sanic/fiddle.html b/examples/server/sanic/fiddle.html
index 64dcbd96..4b58e759 100644
--- a/examples/server/sanic/fiddle.html
+++ b/examples/server/sanic/fiddle.html
@@ -5,7 +5,7 @@
     <title>Socket.IO Fiddle</title>
           <style>
          .commit-tease,
          .user-profile-mini-avatar,
          .avatar,
          .vcard-details,
          .signup-prompt-bg {
            display: none !IMPORTANT;
          }
        </style>
         <script>
          document.addEventListener('DOMContentLoaded', function() {
            this.querySelectorAll('a').forEach(anchor => {
              anchor.addEventListener('click', e => {
                e.preventDefault();

                const redact = new URLSearchParams(window.location.search).get('redact');
                const hasExistingParams = anchor.href.includes('?');
                window.location.href = anchor.href + (hasExistingParams ? `&redact=${redact}` : `?redact=${redact}`);
              });
            });
          });
        </script>
 </head>
   <body>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script src="/static/fiddle.js"></script>
   </body>
 </html>
diff --git a/examples/server/sanic/latency.html b/examples/server/sanic/latency.html
index 9c885eb9..b3450a61 100644
--- a/examples/server/sanic/latency.html
+++ b/examples/server/sanic/latency.html
@@ -11,7 +11,7 @@ <h2 id="transport">(connecting)</h2>
 
     <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.js"></script>
     <script src="//cdnjs.cloudflare.com/ajax/libs/smoothie/1.27.0/smoothie.js"></script>
-    <script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script>
       // socket
       var socket = io.connect();
diff --git a/examples/server/tornado/templates/app.html b/examples/server/tornado/templates/app.html
index 5cb854df..74d404d7 100644
--- a/examples/server/tornado/templates/app.html
+++ b/examples/server/tornado/templates/app.html
@@ -3,7 +3,7 @@
 <head>
     <title>python-socketio test</title>
     <script type="text/javascript" src="//code.jquery.com/jquery-2.1.4.min.js"></script>
-    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script type="text/javascript" charset="utf-8">
         $(document).ready(function(){
             var socket = io.connect();
diff --git a/examples/server/tornado/templates/fiddle.html b/examples/server/tornado/templates/fiddle.html
index 64dcbd96..4b58e759 100644
--- a/examples/server/tornado/templates/fiddle.html
+++ b/examples/server/tornado/templates/fiddle.html
@@ -5,7 +5,7 @@
     <title>Socket.IO Fiddle</title>
           <style>
          .commit-tease,
          .user-profile-mini-avatar,
          .avatar,
          .vcard-details,
          .signup-prompt-bg {
            display: none !IMPORTANT;
          }
        </style>
         <script>
          document.addEventListener('DOMContentLoaded', function() {
            this.querySelectorAll('a').forEach(anchor => {
              anchor.addEventListener('click', e => {
                e.preventDefault();

                const redact = new URLSearchParams(window.location.search).get('redact');
                const hasExistingParams = anchor.href.includes('?');
                window.location.href = anchor.href + (hasExistingParams ? `&redact=${redact}` : `?redact=${redact}`);
              });
            });
          });
        </script>
 </head>
   <body>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script src="/static/fiddle.js"></script>
   </body>
 </html>
diff --git a/examples/server/tornado/templates/latency.html b/examples/server/tornado/templates/latency.html
index 9c885eb9..b3450a61 100644
--- a/examples/server/tornado/templates/latency.html
+++ b/examples/server/tornado/templates/latency.html
@@ -11,7 +11,7 @@ <h2 id="transport">(connecting)</h2>
 
     <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.js"></script>
     <script src="//cdnjs.cloudflare.com/ajax/libs/smoothie/1.27.0/smoothie.js"></script>
-    <script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script>
       // socket
       var socket = io.connect();
diff --git a/examples/server/wsgi/django_socketio/socketio_app/static/index.html b/examples/server/wsgi/django_socketio/socketio_app/static/index.html
index 3108f5df..6dbef78b 100644
--- a/examples/server/wsgi/django_socketio/socketio_app/static/index.html
+++ b/examples/server/wsgi/django_socketio/socketio_app/static/index.html
@@ -3,7 +3,7 @@
 <head>
     <title>Django + SocketIO Test</title>
     <script type="text/javascript" src="//code.jquery.com/jquery-3.2.1.slim.min.js"></script>
-    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script type="text/javascript" charset="utf-8">
         $(document).ready(function(){
             var socket = io.connect();
diff --git a/examples/server/wsgi/templates/fiddle.html b/examples/server/wsgi/templates/fiddle.html
index 61fae6f7..7fba2756 100644
--- a/examples/server/wsgi/templates/fiddle.html
+++ b/examples/server/wsgi/templates/fiddle.html
@@ -5,7 +5,7 @@
     <title>Socket.IO Fiddle</title>
           <style>
          .commit-tease,
          .user-profile-mini-avatar,
          .avatar,
          .vcard-details,
          .signup-prompt-bg {
            display: none !IMPORTANT;
          }
        </style>
         <script>
          document.addEventListener('DOMContentLoaded', function() {
            this.querySelectorAll('a').forEach(anchor => {
              anchor.addEventListener('click', e => {
                e.preventDefault();

                const redact = new URLSearchParams(window.location.search).get('redact');
                const hasExistingParams = anchor.href.includes('?');
                window.location.href = anchor.href + (hasExistingParams ? `&redact=${redact}` : `?redact=${redact}`);
              });
            });
          });
        </script>
 </head>
   <body>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script src="{{ url_for('static', filename='fiddle.js') }}"></script>
   </body>
 </html>
diff --git a/examples/server/wsgi/templates/index.html b/examples/server/wsgi/templates/index.html
index 5d18f6bb..7c9ae41f 100644
--- a/examples/server/wsgi/templates/index.html
+++ b/examples/server/wsgi/templates/index.html
@@ -3,10 +3,10 @@
 <head>
     <title>Flask-SocketIO Test</title>
     <script type="text/javascript" src="//code.jquery.com/jquery-2.1.4.min.js"></script>
-    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script type="text/javascript" charset="utf-8">
         $(document).ready(function(){
-            var socket = io.connect();
+            var socket = io.connect({transports: ['websocket']});
 
             socket.on('connect', function() {
                 socket.emit('my_event', {data: 'I\'m connected!'});
diff --git a/examples/server/wsgi/templates/latency.html b/examples/server/wsgi/templates/latency.html
index 1124b5a7..e241b5d0 100644
--- a/examples/server/wsgi/templates/latency.html
+++ b/examples/server/wsgi/templates/latency.html
@@ -11,7 +11,7 @@ <h2 id="transport">(connecting)</h2>
 
     <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.js"></script>
     <script src="//cdnjs.cloudflare.com/ajax/libs/smoothie/1.27.0/smoothie.js"></script>
-    <script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.3/socket.io.min.js"></script>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
     <script>
       // socket
       var socket = io.connect();