diff --git a/index.html b/index.html
index 3ec806e..b90c94a 100644
--- a/index.html
+++ b/index.html
@@ -208,6 +208,7 @@ <h1>Joomla! API Documentation</h1>
                                     <div class="thumbnail"><img src="https://api.joomla.org/images/framework.png">
                                         <div class="caption">
                                             <p>
+                                                <a class="btn btn-large btn-block" href="https://api.joomla.org/framework-4/index.html">Framework 4.x</a>
                                                 <a class="btn btn-large btn-block" href="https://api.joomla.org/framework-3/index.html">Framework 3.x</a>
                                                 <a class="btn btn-large btn-block" href="https://api.joomla.org/framework-2/index.html">Framework 2.x</a>
                                                 <a class="btn btn-large btn-block" href="https://api.joomla.org/framework-1/index.html">Framework 1.x</a>