diff --git a/shadow.spec b/shadow.spec
index 565e77f..faf4381 100644
--- a/shadow.spec
+++ b/shadow.spec
@@ -1,9 +1,9 @@
 %define shadowgroupid 15
 Summary:       Utilities for managing shadow password files and user/group accounts
 Name:          shadow
-Version:       4.5
+Version:       4.6
 Group:         Applications/Security
-Release:       4mamba
+Release:       1mamba
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
@@ -263,6 +263,9 @@ exit 0
 %{_mandir}/man8/nologin.8*
 
 %changelog
+* Wed Aug 22 2018 Automatic Build System <autodist@mambasoft.it> 4.6-1mamba
+- automatic version update by autodist
+
 * Wed Nov 15 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 4.5-4mamba
 - create /etc/shadow with pwconv if not existing in %post