diff --git a/qemu.spec b/qemu.spec
index 6257e60..4bbe2c7 100644
--- a/qemu.spec
+++ b/qemu.spec
@@ -1,5 +1,5 @@
 Name:          qemu
-Version:       3.1.0
+Version:       4.0.0
 Release:       1mamba
 Summary:       A generic and open source processor emulator
 Group:         Applications/Emulators
@@ -306,6 +306,9 @@ find /etc/rc[0-6].d/ -type l -xtype l -exec rm -f {} \;
 %attr(0755,root,root) %{_bindir}/%{name}*.static
 
 %changelog
+* Wed Apr 24 2019 Automatic Build System <autodist@mambasoft.it> 4.0.0-1mamba
+- automatic version update by autodist
+
 * Mon Feb 11 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 3.1.0-1mamba
 - update to 3.1.0