diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index 8da50f55c4114e1298e413093e250d8bb70a8190..6539eb6d9d421b08a6a1058859fe6be7ac07aa6b 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -81,7 +81,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '8.1.9-dev';
+  const VERSION = '8.1.9';
 
   /**
    * Core API compatibility.