diff --git a/debhelper.spec b/debhelper.spec
index e08f28f..1e23f93 100644
--- a/debhelper.spec
+++ b/debhelper.spec
@@ -1,5 +1,5 @@
 Name:          debhelper
-Version:       13.9
+Version:       13.9.1
 Release:       1mamba
 Summary:       Auxiliary programs for debian/rules
 Group:         Development/Tools
@@ -49,6 +49,9 @@ Auxiliary programs for debian/rules.
 %{_datadir}/debhelper/autoscripts/*
 
 %changelog
+* Wed Aug 31 2022 Automatic Build System <autodist@mambasoft.it> 13.9.1-1mamba
+- automatic version update by autodist
+
 * Mon Aug 15 2022 Automatic Build System <autodist@mambasoft.it> 13.9-1mamba
 - automatic version update by autodist