diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index 3492753cf5..885337bf37 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -76,12 +76,12 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
 
     private static $freshCache = [];
 
-    public const VERSION = '4.4.24';
-    public const VERSION_ID = 40424;
+    public const VERSION = '4.4.25-DEV';
+    public const VERSION_ID = 40425;
     public const MAJOR_VERSION = 4;
     public const MINOR_VERSION = 4;
-    public const RELEASE_VERSION = 24;
-    public const EXTRA_VERSION = '';
+    public const RELEASE_VERSION = 25;
+    public const EXTRA_VERSION = 'DEV';
 
     public const END_OF_MAINTENANCE = '11/2022';
     public const END_OF_LIFE = '11/2023';