diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index c19be3025f..bf5a8b7eb3 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -57,7 +57,7 @@ abstract class Kernel implements KernelInterface
     protected $startTime;
     protected $classes;
 
-    const VERSION = '2.0.0';
+    const VERSION = '2.1.0-DEV';
 
     /**
      * Constructor.
diff --git a/vendors.php b/vendors.php
index ab55512623..764b8b92e3 100755
--- a/vendors.php
+++ b/vendors.php
@@ -24,9 +24,9 @@ if (!is_dir($vendorDir = dirname(__FILE__).'/vendor')) {
 }
 
 $deps = array(
-    array('doctrine', 'http://github.com/doctrine/doctrine2.git', '2.1.0'),
-    array('doctrine-dbal', 'http://github.com/doctrine/dbal.git', '2.1.0'),
-    array('doctrine-common', 'http://github.com/doctrine/common.git', '2.1.0'),
+    array('doctrine', 'http://github.com/doctrine/doctrine2.git', 'origin/2.1.x'),
+    array('doctrine-dbal', 'http://github.com/doctrine/dbal.git', 'origin/2.1.x'),
+    array('doctrine-common', 'http://github.com/doctrine/common.git', 'origin/2.1.x'),
     array('monolog', 'http://github.com/Seldaek/monolog.git', '1.0.0'),
     array('swiftmailer', 'http://github.com/swiftmailer/swiftmailer.git', 'v4.1.0'),
     array('twig', 'http://github.com/fabpot/Twig.git', 'v1.1.1'),