diff --git a/lib/bootstrap.php b/lib/bootstrap.php
index 4e7ee643ee119b132b3bc969fb445a153a9bb211..7d17a8b9ddeae934f012e836813c87f564db232d 100644
--- a/lib/bootstrap.php
+++ b/lib/bootstrap.php
@@ -13,7 +13,7 @@
 const DEFAULT_ENV = 'production';
 
 //software version - please leave it as it is!
-$SOFTWARE_VERSION = '5.1.4';
+$SOFTWARE_VERSION = '5.1.5';
 
 // Store startup time
 $STUDIP_STARTUP_TIME = microtime(true);