diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index 0b37ca2a8ee8b7283abb16bf8db54b48dffe28b5..6cf5153b1f1bc34c58d3a3f98b9bdbc39327aa1e 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -82,7 +82,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '8.6.0-dev';
+  const VERSION = '8.6.0-beta1';
 
   /**
    * Core API compatibility.