diff --git a/desktop-base-openmamba.spec b/desktop-base-openmamba.spec
index 91f06fb..deeac31 100644
--- a/desktop-base-openmamba.spec
+++ b/desktop-base-openmamba.spec
@@ -19,7 +19,7 @@
 %define distroicon openmamba
 
 Name:          desktop-base-openmamba
-Version:       4.91.0
+Version:       4.91.1
 Release:       1mamba
 Summary:       openmamba default desktop theme and menu entries
 Group:         System/Tools
@@ -203,6 +203,9 @@ ln -s /dev/null %{buildroot}%{_sysconfdir}/udev/rules.d/80-net-setup-link.rules
 %{_datadir}/openmamba/desktop/desktop-*.tar.bz2
 
 %changelog
+* Mon Mar 04 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 4.91.1-1mamba
+- update to 4.91.1
+
 * Sun Mar 03 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 4.91.0-1mamba
 - update to 4.91.0