diff --git a/qcad.spec b/qcad.spec
index d87f9a0..245d694 100644
--- a/qcad.spec
+++ b/qcad.spec
@@ -4,7 +4,7 @@
 %define _huver 2.0.4.0-1
 
 Name:          qcad
-Version:       3.16.5.0
+Version:       3.17.3.0
 Release:       1mamba
 Summary:       A professional 2D CAD system
 Group:         Graphical Desktop/Applications/Graphics
@@ -117,7 +117,7 @@ EOF
 %dir %{_datadir}/qcad
 %{_datadir}/qcad/*.a
 %{_datadir}/qcad/*.so
-%{_datadir}/qcad/mainwindow_prototype
+#%{_datadir}/qcad/mainwindow_prototype
 %{_datadir}/qcad/qcad-bin
 %{_datadir}/qcad/readme.txt
 %dir %{_datadir}/qcad/examples
@@ -140,6 +140,9 @@ EOF
 #% doc qcad/doc qcad/README qcad/data
 
 %changelog
+* Mon Aug 14 2017 Automatic Build System <autodist@mambasoft.it> 3.17.3.0-1mamba
+- automatic version update by autodist
+
 * Mon Mar 06 2017 Automatic Build System <autodist@mambasoft.it> 3.16.5.0-1mamba
 - automatic version update by autodist