diff --git a/desktop-base-openmamba.spec b/desktop-base-openmamba.spec
index 3b90095..36062ce 100644
--- a/desktop-base-openmamba.spec
+++ b/desktop-base-openmamba.spec
@@ -19,8 +19,8 @@
 %define distroicon openmamba
 
 Name:          desktop-base-openmamba
-Version:       2021.03.1
-Release:       2mamba
+Version:       2021.09.1
+Release:       1mamba
 Summary:       openmamba default desktop theme and menu entries
 Group:         System/Tools
 Vendor:        openmamba
@@ -167,7 +167,8 @@ _EOF
 %defattr(-,root,root)
 %{_sysconfdir}/dnf/protected.d/system-base-openmamba.conf
 %{_sysconfdir}/udev/rules.d/80-net-setup-link.rules
-%config %{_sysconfdir}/profile.d/proxy.sh
+%{_sysconfdir}/profile.d/proxy.sh
+%{_sysconfdir}/profile.d/qtwebengine-no-sandbox.sh
 %{_sysconfdir}/sudoers.d/proxy
 %config (noreplace) %{_sysconfdir}/sysconfig/proxy
 %config %{_sysconfdir}/sysconfig/netsrpminstall
@@ -241,6 +242,9 @@ _EOF
 %{_datadir}/openmamba/desktop/desktop-*.tar.bz2
 
 %changelog
+* Tue Sep 14 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2021.09.1-1mamba
+- update to 2021.09.1
+
 * Sun Apr 11 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2021.03.1-2mamba
 - system-base-openmamba: require man-pages