diff --git a/ktnef.spec b/ktnef.spec
index b0cda54..779013f 100644
--- a/ktnef.spec
+++ b/ktnef.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          ktnef
-Version:       21.04.3
+Version:       21.08.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 tnef library
 Group:         System/Libraries
@@ -93,6 +93,9 @@ exit 0
 %{_kde5_mkspecsdir}/qt_KTNef.pri
 
 %changelog
+* Wed Aug 18 2021 Automatic Build System <autodist@mambasoft.it> 21.08.0-1mamba
+- automatic version update by autodist
+
 * Fri Jul 09 2021 Automatic Build System <autodist@mambasoft.it> 21.04.3-1mamba
 - automatic version update by autodist