diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index 34ae5263fada3ba72a58228e9f8b1fbd28207a4a..8c4cb953a96c7121a6cdd8dd7deb19f850e7f851 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -81,7 +81,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '8.4.5-dev';
+  const VERSION = '8.4.6-dev';
 
   /**
    * Core API compatibility.