diff --git a/kmplot.spec b/kmplot.spec
index a5b9368..d14b419 100644
--- a/kmplot.spec
+++ b/kmplot.spec
@@ -1,5 +1,5 @@
 Name:          kmplot
-Version:       19.12.2
+Version:       19.12.3
 Release:       1mamba
 Summary:       Mathematical Function Plotter
 Group:         Graphical Desktop/Applications/Educational
@@ -121,6 +121,9 @@ exit 0
 #TODO
 
 %changelog
+* Fri Mar 06 2020 Automatic Build System <autodist@mambasoft.it> 19.12.3-1mamba
+- automatic version update by autodist
+
 * Thu Feb 06 2020 Automatic Build System <autodist@mambasoft.it> 19.12.2-1mamba
 - automatic version update by autodist