diff --git a/libksieve.spec b/libksieve.spec
index e222259..962dfde 100644
--- a/libksieve.spec
+++ b/libksieve.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          libksieve
-Version:       20.12.3
+Version:       21.04.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 sieve library
 Group:         System/Libraries
@@ -10,13 +10,10 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://www.kde.org
 Source:        http://download.kde.org/stable/release-service/%{version}/src/libksieve-%{version}.tar.xz
-# Source:        http://download.kde.org/stable/frameworks/%{majver}/...-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: kdepimlibs-devel
-BuildRequires: libQt5WebKit-devel
-BuildRequires: libakonadi-devel
+BuildRequires: libQt5WebEngine-devel
 BuildRequires: libattica5-devel
 BuildRequires: libgcc
 BuildRequires: libkarchive-devel
@@ -25,21 +22,18 @@ BuildRequires: libkcodecs-devel
 BuildRequires: libkcompletion-devel
 BuildRequires: libkconfig-devel
 BuildRequires: libkconfigwidgets-devel
-BuildRequires: libkcontacts-devel
 BuildRequires: libkcoreaddons-devel
 BuildRequires: libkdepim-devel
 BuildRequires: libki18n-devel
 BuildRequires: libkiconthemes-devel
 BuildRequires: libkidentitymanagement-devel
 BuildRequires: libkio-devel
-BuildRequires: libkitemmodels-devel
 BuildRequires: libkjobwidgets-devel
 BuildRequires: libkmailtransport-devel
 BuildRequires: libkmime-devel
 BuildRequires: libknewstuff-devel
 BuildRequires: libkpimtextedit-devel
 BuildRequires: libkservice-devel
-BuildRequires: libktextwidgets-devel
 BuildRequires: libkwallet-devel
 BuildRequires: libkwidgetsaddons-devel
 BuildRequires: libkwindowsystem-devel
@@ -49,6 +43,7 @@ BuildRequires: libqt5-devel
 BuildRequires: libsasl2-devel
 BuildRequires: libsonnet-devel
 BuildRequires: libstdc++6-devel
+BuildRequires: libsyntax-highlighting-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
@@ -123,6 +118,9 @@ exit 0
 %{_kde5_mkspecsdir}/qt_KSieveUi.pri
 
 %changelog
+* Tue Apr 27 2021 Automatic Build System <autodist@mambasoft.it> 21.04.0-1mamba
+- automatic version update by autodist
+
 * Sat Mar 06 2021 Automatic Build System <autodist@mambasoft.it> 20.12.3-1mamba
 - automatic version update by autodist