diff --git a/akonadi-calendar-tools.spec b/akonadi-calendar-tools.spec
index 9113150..5316c44 100644
--- a/akonadi-calendar-tools.spec
+++ b/akonadi-calendar-tools.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          akonadi-calendar-tools
-Version:       21.04.3
+Version:       21.08.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 Akonadi calendar tools
 Group:         System/Libraries
@@ -67,6 +67,9 @@ KDE Frameworks 5 Akonadi calendar tools.
 %doc LICENSES
 
 %changelog
+* Fri Aug 20 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