diff --git a/index.html b/index.html
index 8653089..3a0f784 100644
--- a/index.html
+++ b/index.html
@@ -33,8 +33,8 @@
             gtag('js', new Date());
             gtag('config', 'G-LKETQQ110J');
     </script>
-    <link rel="stylesheet" href="https://pyscript.net/releases/2025.2.2/core.css" />
-    <script type="module" src="https://pyscript.net/releases/2025.2.2/core.js"></script>
+    <link rel="stylesheet" href="https://pyscript.net/releases/2025.2.3/core.css" />
+    <script type="module" src="https://pyscript.net/releases/2025.2.3/core.js"></script>
 	</head>
 
 	<body>
@@ -58,7 +58,7 @@
                 import code
                 code.interact()
                 </script>
-                <script type="mpy" src="./main.py" async></script>
+                <script type="mpy" src="./main.py"></script>
                 </div>
 
                 <div class="old-terminal" id="old-terminal">
@@ -380,16 +380,5 @@ <h2>PyScript is...</h2>
 			heap.load("758475466");
 		</script>
 		<!-- END HEAP INTEGRATION -->
-        <script>
-        // It's a hack.
-        try{
-          var sab = new SharedArrayBuffer(4);
-          if(sab===undefined)throw new Error('not supported')
-        }
-        catch(e){
-          document.getElementById("new-terminal").style.display = "none";
-          document.getElementById("old-terminal").style.display = "block";
-        }
-        </script>
 	</body>
 </html>
