diff --git a/core/Version.php b/core/Version.php
index abd38d650faebcd326acec3172d737418c76ed8a..98d8b9c6d9893b63d60fa83b3fef2e99eaa02e30 100644
--- a/core/Version.php
+++ b/core/Version.php
@@ -21,5 +21,5 @@ final class Version
      * The current Piwik version.
      * @var string
      */
-    const VERSION = '2.5.0';
+    const VERSION = '2.5.1-b1';
 }