diff --git a/doc/index.html b/doc/index.html
index 5abce4d..d9148b6 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -4,7 +4,7 @@
     <head>
         <meta charset="utf-8" />
         <title>
-            web-midi-player 1.3.11 |
+            web-midi-player 1.4.0 |
             Documentation
         </title>
         
@@ -24,7 +24,7 @@ <h3 class="mb0 no-anchor project-name">
                                 <code>web-midi-player</code>
                             </h3>
                             <div class="mb1">
-                                <code>1.3.11</code>
+                                <code>1.4.0</code>
                                 |
                                 <a href="https://midi.yvesgurcan.com">README</a>
                             </div>
