diff --git a/index.html b/index.html
index 06c6b23..350abbe 100644
--- a/index.html
+++ b/index.html
@@ -2,7 +2,7 @@
 <html lang="en">
 <head>
   <meta charset='utf-8'>
-  <title>libp2p-interfaces 0.3.2 | Documentation</title>
+  <title>libp2p-interfaces 0.4.0 | Documentation</title>
   <meta name='description' content='Interfaces for JS Libp2p'>
   <meta name='viewport' content='width=device-width,initial-scale=1'>
   <link href='assets/bass.css' rel='stylesheet'>
@@ -15,7 +15,7 @@
       <div id='split-left' class='overflow-auto fs0 height-viewport-100'>
         <div class='py1 px2'>
           <h3 class='mb0 no-anchor'>libp2p-interfaces</h3>
-          <div class='mb1'><code>0.3.2</code></div>
+          <div class='mb1'><code>0.4.0</code></div>
           <input
             placeholder='Filter'
             id='filter-input'
