diff --git a/akonadi-calendar.spec b/akonadi-calendar.spec
index 7028670..4a42419 100644
--- a/akonadi-calendar.spec
+++ b/akonadi-calendar.spec
@@ -1,14 +1,14 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          akonadi-calendar
-Version:       21.04.1
+Version:       21.04.2
 Release:       1mamba
 Summary:       KDE Frameworks 5 Akonadi calendar library
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://www.kde.org
+URL:           https://kde.org/
 Source:        http://download.kde.org/stable/release-service/%{version}/src/akonadi-calendar-%{version}.tar.xz
 # Source:        http://download.kde.org/stable/frameworks/%{majver}/...-%{version}.tar.xz
 License:       GPL
@@ -18,10 +18,9 @@ BuildRequires: libakonadi-contacts-devel
 BuildRequires: libakonadi-devel
 BuildRequires: libakonadi-mime-devel
 BuildRequires: libgcc
-BuildRequires: libical-devel
+BuildRequires: libgrantleetheme-devel
 BuildRequires: libkauth-devel
-BuildRequires: libkbookmarks-devel
-BuildRequires: libkcalcore-devel
+BuildRequires: libkcalendarcore-devel
 BuildRequires: libkcalutils-devel
 BuildRequires: libkcodecs-devel
 BuildRequires: libkcompletion-devel
@@ -29,32 +28,21 @@ BuildRequires: libkconfig-devel
 BuildRequires: libkconfigwidgets-devel
 BuildRequires: libkcontacts-devel
 BuildRequires: libkcoreaddons-devel
-BuildRequires: libkcrash-devel
-BuildRequires: libkdbusaddons-devel
-BuildRequires: libkdelibs4support-devel
-BuildRequires: libkguiaddons-devel
 BuildRequires: libki18n-devel
-BuildRequires: libkiconthemes-devel
 BuildRequires: libkidentitymanagement-devel
 BuildRequires: libkio-devel
 BuildRequires: libkitemmodels-devel
-BuildRequires: libkitemviews-devel
 BuildRequires: libkjobwidgets-devel
 BuildRequires: libkmailtransport-devel
 BuildRequires: libkmime-devel
-BuildRequires: libknotifications-devel
-BuildRequires: libkparts-devel
 BuildRequires: libkpimtextedit-devel
 BuildRequires: libkservice-devel
-BuildRequires: libktextwidgets-devel
-BuildRequires: libkunitconversion-devel
 BuildRequires: libkwallet-devel
 BuildRequires: libkwidgetsaddons-devel
 BuildRequires: libkwindowsystem-devel
 BuildRequires: libkxmlgui-devel
 BuildRequires: libqt5-devel
 BuildRequires: libsolid-devel
-BuildRequires: libsonnet-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
@@ -127,6 +115,9 @@ exit 0
 %{_libdir}/qt5/mkspecs/modules/qt_AkonadiCalendar.pri
 
 %changelog
+* Thu Jun 17 2021 Automatic Build System <autodist@mambasoft.it> 21.04.2-1mamba
+- automatic version update by autodist
+
 * Fri May 14 2021 Automatic Build System <autodist@mambasoft.it> 21.04.1-1mamba
 - automatic version update by autodist