diff --git a/kbruch.spec b/kbruch.spec
index fdff7a6..0f1ff7c 100644
--- a/kbruch.spec
+++ b/kbruch.spec
@@ -1,5 +1,5 @@
 Name:          kbruch
-Version:       20.08.3
+Version:       20.12.0
 Release:       1mamba
 Summary:       Exercise Fractions
 Group:         Graphical Desktop/Applications/Educational
@@ -78,6 +78,9 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC
 
 %changelog
+* Fri Dec 11 2020 Automatic Build System <autodist@mambasoft.it> 20.12.0-1mamba
+- automatic version update by autodist
+
 * Thu Nov 05 2020 Automatic Build System <autodist@mambasoft.it> 20.08.3-1mamba
 - automatic version update by autodist