diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index 1349060f14..d5f0219e56 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -74,12 +74,12 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
 
     private static $freshCache = [];
 
-    public const VERSION = '5.2.12-DEV';
+    public const VERSION = '5.2.12';
     public const VERSION_ID = 50212;
     public const MAJOR_VERSION = 5;
     public const MINOR_VERSION = 2;
     public const RELEASE_VERSION = 12;
-    public const EXTRA_VERSION = 'DEV';
+    public const EXTRA_VERSION = '';
 
     public const END_OF_MAINTENANCE = '07/2021';
     public const END_OF_LIFE = '07/2021';