diff --git a/lib/bootstrap.php b/lib/bootstrap.php
index 42c4f418e4997d9f7228d180175d13c23c8d2bda..57fd11d650769b70fec437ffdbca60ae9a9f4a34 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!
-$SOFTWARE_VERSION = '5.5.alpha';
+$SOFTWARE_VERSION = '5.5';
 
 // Store startup time
 $STUDIP_STARTUP_TIME = microtime(true);