diff --git a/docs/VERSION b/docs/VERSION
index 4a36342fcab..fcdb2e109f6 100644
--- a/docs/VERSION
+++ b/docs/VERSION
@@ -1 +1 @@
-3.0.0
+4.0.0
diff --git a/docs/sources/versions.html_fragment b/docs/sources/versions.html_fragment
index d699cc6b6ac..0d62ee1e461 100644
--- a/docs/sources/versions.html_fragment
+++ b/docs/sources/versions.html_fragment
@@ -1,3 +1,4 @@
+<li><a class='version' href='/v3.0'>Version v3.0</a></li>
 <li><a class='version' href='/v2.6'>Version v2.6</a></li>
 <li><a class='version' href='/v2.5'>Version v2.5</a></li>
 <li><a class='version' href='/v2.1'>Version v2.1</a></li>