diff --git a/doku.php b/doku.php
index 5ac6a624a..7921fbecb 100644
--- a/doku.php
+++ b/doku.php
@@ -11,7 +11,7 @@
 // update message version - always use a string to avoid localized floats!
 use dokuwiki\Extension\Event;
 
-$updateVersion = "51.2";
+$updateVersion = "51.3";
 
 //  xdebug_start_profiling();