diff --git a/kmplot.spec b/kmplot.spec
index 5c29a16..a78aa8c 100644
--- a/kmplot.spec
+++ b/kmplot.spec
@@ -1,5 +1,5 @@
 Name:          kmplot
-Version:       21.04.0
+Version:       21.04.1
 Release:       1mamba
 Summary:       Mathematical Function Plotter
 Group:         Graphical Desktop/Applications/Educational
@@ -137,6 +137,9 @@ exit 0
 #TODO
 
 %changelog
+* Thu May 13 2021 Automatic Build System <autodist@mambasoft.it> 21.04.1-1mamba
+- automatic version update by autodist
+
 * Thu Apr 22 2021 Automatic Build System <autodist@mambasoft.it> 21.04.0-1mamba
 - automatic version update by autodist