diff --git a/core/Version.php b/core/Version.php
index <HASH>..<HASH> 100644
--- a/core/Version.php
+++ b/core/Version.php
@@ -20,7 +20,7 @@ final class Version
      * The current Matomo version.
      * @var string
      */
-    const VERSION = '4.0.4';
+    const VERSION = '4.0.4-b1';
     const MAJOR_VERSION = 4;
 
     public function isStableVersion($version)
Set version to <I>-b1 (#<I>)