diff --git a/akonadi-calendar.spec b/akonadi-calendar.spec
index a6fc29f..50b9a77 100644
--- a/akonadi-calendar.spec
+++ b/akonadi-calendar.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          akonadi-calendar
-Version:       21.04.3
+Version:       21.08.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 Akonadi calendar library
 Group:         System/Libraries
@@ -115,6 +115,9 @@ exit 0
 %{_libdir}/qt5/mkspecs/modules/qt_AkonadiCalendar.pri
 
 %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