diff --git a/version.php b/version.php
index 37c2268a42a..595ee496bc4 100644
--- a/version.php
+++ b/version.php
@@ -29,7 +29,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$version  = 2013042600.00;              // YYYYMMDD      = weekly release date of this DEV branch
+$version  = 2013050100.00;              // YYYYMMDD      = weekly release date of this DEV branch
                                         //         RR    = release increments - 00 in DEV branches
                                         //           .XX = incremental changes