diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index 96a746ee80..3fa1a27fe7 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -61,12 +61,12 @@ abstract class Kernel implements KernelInterface, TerminableInterface
     protected $loadClassCache;
     protected $errorReportingLevel;
 
-    const VERSION         = '2.3.4';
-    const VERSION_ID      = '20304';
+    const VERSION         = '2.3.5-DEV';
+    const VERSION_ID      = '20305';
     const MAJOR_VERSION   = '2';
     const MINOR_VERSION   = '3';
-    const RELEASE_VERSION = '4';
-    const EXTRA_VERSION   = '';
+    const RELEASE_VERSION = '5';
+    const EXTRA_VERSION   = 'DEV';
 
     /**
      * Constructor.