diff --git a/knetwalk.spec b/knetwalk.spec
index ea517ad..f158c61 100644
--- a/knetwalk.spec
+++ b/knetwalk.spec
@@ -1,5 +1,5 @@
 Name:          knetwalk
-Version:       21.08.0
+Version:       21.08.1
 Release:       1mamba
 Summary:       Network Construction Game
 Group:         Graphical Desktop/Applications/Games
@@ -81,6 +81,9 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC
 
 %changelog
+* Thu Sep 02 2021 Automatic Build System <autodist@mambasoft.it> 21.08.1-1mamba
+- automatic version update by autodist
+
 * Thu Aug 12 2021 Automatic Build System <autodist@mambasoft.it> 21.08.0-1mamba
 - automatic version update by autodist