diff --git a/source/CAS.php b/source/CAS.php
index e0a33a48..8243a83e 100644
--- a/source/CAS.php
+++ b/source/CAS.php
@@ -57,7 +57,7 @@
 /**
  * phpCAS version. accessible for the user by phpCAS::getVersion().
  */
-define('PHPCAS_VERSION', '1.5.0+');
+define('PHPCAS_VERSION', '1.6.0');
 
 /**
  * @addtogroup public