diff --git a/index.html b/index.html
index f54f9febc..1156a686b 100644
--- a/index.html
+++ b/index.html
@@ -984,7 +984,7 @@
 <body id="table-of-contents">
 <header>
     <h1 class="title">Cyber Docs</h1>
-    <div class="sub-title">dev</div>
+    <div class="sub-title">v0.4-dev</div>
     <ul>
         <li><a href="https://cyberscript.dev" target="_blank" rel="noopener">Homepage</a></li>
         <li><a href="https://cyberscript.dev/play.html" target="_blank" rel="noopener">Playground</a></li>
