diff --git a/kross-interpreters.spec b/kross-interpreters.spec
index e10d207..4f0d896 100644
--- a/kross-interpreters.spec
+++ b/kross-interpreters.spec
@@ -2,7 +2,7 @@
 %define javarootdir %_jvmdir/jdk/
 
 Name:          kross-interpreters
-Version:       17.08.3
+Version:       17.12.0
 Release:       1mamba
 Summary:       Kross interpreters
 Group:         Graphical Desktop/Applications/Development
@@ -111,6 +111,9 @@ Ruby plugin for the Kross architecture in KDE5.
 %{_qt5_plugindir}/krossruby.so
 
 %changelog
+* Thu Dec 21 2017 Automatic Build System <autodist@mambasoft.it> 17.12.0-1mamba
+- automatic version update by autodist
+
 * Fri Nov 10 2017 Automatic Build System <autodist@mambasoft.it> 17.08.3-1mamba
 - automatic version update by autodist