diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index ed61828502..56c87d77f6 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -58,12 +58,12 @@ abstract class Kernel implements KernelInterface, TerminableInterface
     protected $startTime;
     protected $loadClassCache;
 
-    const VERSION = '2.3.38';
-    const VERSION_ID = 20338;
+    const VERSION = '2.3.39-DEV';
+    const VERSION_ID = 20339;
     const MAJOR_VERSION = 2;
     const MINOR_VERSION = 3;
-    const RELEASE_VERSION = 38;
-    const EXTRA_VERSION = '';
+    const RELEASE_VERSION = 39;
+    const EXTRA_VERSION = 'DEV';
 
     /**
      * Constructor.