diff --git a/postgresql.spec b/postgresql.spec
index e521635..aa97c36 100644
--- a/postgresql.spec
+++ b/postgresql.spec
@@ -3,7 +3,7 @@
 %define        majver %(echo %version | cut -d. -f 1-2)
 
 Name:          postgresql
-Version:       13.3
+Version:       13.4
 Release:       1mamba
 Summary:       An object-relational database management system (ORDBMS)
 Group:         Applications/Databases
@@ -357,6 +357,9 @@ find /etc/rc[0-6].d/ -type l -xtype l -exec rm -f {} \;
 %{_libdir}/postgresql/tutorial/*
 
 %changelog
+* Thu Aug 12 2021 Automatic Build System <autodist@mambasoft.it> 13.4-1mamba
+- automatic version update by autodist
+
 * Fri May 14 2021 Automatic Build System <autodist@mambasoft.it> 13.3-1mamba
 - automatic version update by autodist