diff --git a/cantor.spec b/cantor.spec
index e5ebcd8..8dd45c5 100644
--- a/cantor.spec
+++ b/cantor.spec
@@ -1,6 +1,6 @@
 Name:          cantor
-Version:       17.04.3
-Release:       2mamba
+Version:       17.08.0
+Release:       1mamba
 Summary:       KDE Frontend to Mathematical Software
 Group:         Graphical Desktop/Applications/Educational
 Vendor:        openmamba
@@ -154,6 +154,9 @@ exit 0
 %{_kde5_libdir}/libcantorlibs.so
 
 %changelog
+* Tue Aug 22 2017 Automatic Build System <autodist@mambasoft.it> 17.08.0-1mamba
+- automatic version update by autodist
+
 * Sat Aug 12 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 17.04.3-2mamba
 - rebuilt with libqalculate 0.9.7