diff --git a/postfix.spec b/postfix.spec
index cf36014..581797c 100644
--- a/postfix.spec
+++ b/postfix.spec
@@ -8,7 +8,7 @@
 %define postdrop_groupid 65031
 
 Name:          postfix
-Version:       3.5.3
+Version:       3.5.4
 Release:       1mamba
 Summary:       A fast, easy to administer, and secure mail transfer agent
 Group:         System/Servers
@@ -306,6 +306,9 @@ exit 0
 %attr(0771,vmail,vmail) %dir %{_localstatedir}/spool/deleted-maildirs
 
 %changelog
+* Sun Jun 28 2020 Automatic Build System <autodist@mambasoft.it> 3.5.4-1mamba
+- automatic version update by autodist
+
 * Mon Jun 15 2020 Automatic Build System <autodist@mambasoft.it> 3.5.3-1mamba
 - automatic version update by autodist