diff --git a/stunnel.spec b/stunnel.spec
index 7555922..b7be663 100644
--- a/stunnel.spec
+++ b/stunnel.spec
@@ -1,5 +1,5 @@
 Name:          stunnel
-Version:       5.56
+Version:       5.57
 Release:       1mamba
 Summary:       Universal SSL Tunnel
 Group:         System/Servers
@@ -75,6 +75,9 @@ rm -rf %{buildroot}%{_docdir}/stunnel
 %doc COPYING*
 
 %changelog
+* Sat Nov 28 2020 Automatic Build System <autodist@mambasoft.it> 5.57-1mamba
+- automatic version update by autodist
+
 * Wed Jan 01 2020 Automatic Build System <autodist@mambasoft.it> 5.56-1mamba
 - automatic version update by autodist