diff --git a/desktop-base-openmamba.spec b/desktop-base-openmamba.spec
index f16b41a..aca4c18 100644
--- a/desktop-base-openmamba.spec
+++ b/desktop-base-openmamba.spec
@@ -19,7 +19,7 @@
 %define distroicon openmamba
 
 Name:          desktop-base-openmamba
-Version:       3.94.0
+Version:       4.0.0
 Release:       1mamba
 Summary:       openmamba default desktop theme and menu entries
 Group:         System/Tools
@@ -200,6 +200,9 @@ ln -s /dev/null %{buildroot}%{_sysconfdir}/udev/rules.d/80-net-setup-link.rules
 %{_datadir}/openmamba/desktop/desktop-*.tar.bz2
 
 %changelog
+* Sat Jun 03 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.0-1mamba
+- update to 4.0.0
+
 * Tue Dec 13 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 3.94.0-1mamba
 - update to 3.94.0