diff --git a/kross-interpreters.spec b/kross-interpreters.spec
index f270a5c..bef0047 100644
--- a/kross-interpreters.spec
+++ b/kross-interpreters.spec
@@ -2,7 +2,7 @@
 %define javarootdir %_jvmdir/jdk/
 
 Name:          kross-interpreters
-Version:       21.12.0
+Version:       21.12.1
 Release:       1mamba
 Summary:       Kross interpreters
 Group:         Graphical Desktop/Applications/Development
@@ -112,6 +112,9 @@ Ruby plugin for the Kross architecture in KDE5.
 %{_qt5_plugindir}/krossruby.so
 
 %changelog
+* Fri Jan 07 2022 Automatic Build System <autodist@mambasoft.it> 21.12.1-1mamba
+- automatic version update by autodist
+
 * Fri Dec 10 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
 - automatic version update by autodist