diff --git a/lib/bootstrap.php b/lib/bootstrap.php
index 418d6df1b83b26dd9b54d2fe7db3e2d8b7aae214..e546d05404db8c1b4e560e1fb7195fe3fe677b35 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!
-$SOFTWARE_VERSION = '5.4.alpha';
+$SOFTWARE_VERSION = '5.5.alpha';
 
 // Store startup time
 $STUDIP_STARTUP_TIME = microtime(true);