diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index ac09130c758dbf960b9d9a90e9c01cb8f5c03b26..09a76cd2c5486d7f98f34924f37bbe62f15a0b8f 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -82,7 +82,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '8.5.5-dev';
+  const VERSION = '8.5.5';
 
   /**
    * Core API compatibility.