diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index 5ae47508b0db4b8ba03f356c14867d49057a54a2..a27f189810d6d7192c58a65488b347d083fa9f90 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -82,7 +82,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '8.6.6-dev';
+  const VERSION = '8.6.7-dev';
 
   /**
    * Core API compatibility.