diff --git a/desktop-base-openmamba.spec b/desktop-base-openmamba.spec
index 422db7f..292d2b2 100644
--- a/desktop-base-openmamba.spec
+++ b/desktop-base-openmamba.spec
@@ -19,8 +19,8 @@
 %define distroicon openmamba
 
 Name:          desktop-base-openmamba
-Version:       4.0.90
-Release:       3mamba
+Version:       4.0.91
+Release:       1mamba
 Summary:       openmamba default desktop theme and menu entries
 Group:         System/Tools
 Vendor:        openmamba
@@ -204,6 +204,9 @@ ln -s /dev/null %{buildroot}%{_sysconfdir}/udev/rules.d/80-net-setup-link.rules
 %{_datadir}/openmamba/desktop/desktop-*.tar.bz2
 
 %changelog
+* Sat Jun 16 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.91-1mamba
+- update to 4.0.91
+
 * Sat Feb 10 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.90-3mamba
 - removed requirement for dmz-cursor-themes