diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index 77d82f8cfff..77b3670bc1f 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -75,7 +75,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '10.3.9-dev';
+  const VERSION = '10.3.10-dev';
 
   /**
    * Core API compatibility.