diff --git a/h2o.php b/h2o.php
index 1357545..f62e4b0 100644
--- a/h2o.php
+++ b/h2o.php
@@ -1,5 +1,5 @@
 <?php
-define('H2O_VERSION', '0.3');
+define('H2O_VERSION', '0.4.1-48-g9a9ea97');
 defined('DS') or define('DS', DIRECTORY_SEPARATOR);
 defined('H2O_ROOT') or define('H2O_ROOT', dirname(__FILE__) . DS);