diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index 3c2eb498105f52fdedafc303407e34ec60ce7426..272b1e19abd999b51a314c67e70e98f9c83a4a3c 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -75,7 +75,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '10.1.x-dev';
+  const VERSION = '10.1.0-dev';
 
   /**
    * Core API compatibility.