diff --git a/src/samples/conference/public/index.html b/src/samples/conference/public/index.html
index 3ed2a3ed..32a0dc2e 100644
--- a/src/samples/conference/public/index.html
+++ b/src/samples/conference/public/index.html
@@ -37,7 +37,7 @@
       <video playsinline muted autoplay style="width:320px;height:240"></video>
     </div>
     <script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.2.0/socket.io.js" type="text/javascript"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.1.2/socket.io.js" type="text/javascript"></script>
     <script src="../../../../dist/sdk-debug/owt.js" type="text/javascript"></script>
     <script src="scripts/index.js" type="text/javascript"></script>
     <script src="scripts/rest-sample.js" type="text/javascript"></script>
diff --git a/src/samples/conference/public/quic.html b/src/samples/conference/public/quic.html
index 5bc48c38..077f6637 100644
--- a/src/samples/conference/public/quic.html
+++ b/src/samples/conference/public/quic.html
@@ -34,7 +34,7 @@ <h2>Sample of QuicTransport</h2>
   <div id="conference-status"></div>
   <div class="stats">
   </div>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.2.0/socket.io.js" type="text/javascript"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.1.2/socket.io.js" type="text/javascript"></script>
   <script src="scripts/rest-sample.js" type="text/javascript"></script>
   <script src="scripts/owt.js" type="text/javascript"></script>
   <script src="scripts/quic.js" type="text/javascript"></script>
diff --git a/src/samples/p2p/peercall.html b/src/samples/p2p/peercall.html
index 9c867913..93777f47 100644
--- a/src/samples/p2p/peercall.html
+++ b/src/samples/p2p/peercall.html
@@ -62,7 +62,7 @@
   <script src="https://code.jquery.com/jquery-3.5.1.min.js"
     type="text/javascript"></script>
   <script
-    src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.2.0/socket.io.js"
+    src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.1.2/socket.io.js"
     type="text/javascript"></script>
   <script src="js/sc.websocket.js" type="text/javascript"></script>
   <!-- SDK Starts -->
diff --git a/test/p2ptest/fetch_dependencies.py b/test/p2ptest/fetch_dependencies.py
index dc57f394..876bc2a4 100644
--- a/test/p2ptest/fetch_dependencies.py
+++ b/test/p2ptest/fetch_dependencies.py
@@ -9,7 +9,7 @@
 
 URLS = {'q.js': 'https://raw.githubusercontent.com/kriskowal/q/c2f5a6f35456389a806acca50bfd929cbe30c4cb/q.js',
         'jquery.min.js': 'https://code.jquery.com/jquery-1.10.2.min.js',
-        'socket.io.min.js': 'https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.2.0/socket.io.js'
+        'socket.io.min.js': 'https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.1.2/socket.io.js'
         }
 
 DEPS_PATH = os.path.abspath(os.path.join(os.path.dirname(__file__), 'dependencies'))