diff --git a/libksieve.spec b/libksieve.spec
index 79d2ae8..dea19ca 100644
--- a/libksieve.spec
+++ b/libksieve.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          libksieve
-Version:       21.08.3
+Version:       21.12.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 sieve library
 Group:         System/Libraries
@@ -13,7 +13,10 @@ Source:        http://download.kde.org/stable/release-service/%{version}/src/lib
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libQt5Positioning-devel
+BuildRequires: libQt5WebChannel-devel
 BuildRequires: libQt5WebEngine-devel
+BuildRequires: libX11-devel
 BuildRequires: libattica5-devel
 BuildRequires: libgcc
 BuildRequires: libkarchive-devel
@@ -39,12 +42,13 @@ BuildRequires: libkwidgetsaddons-devel
 BuildRequires: libkwindowsystem-devel
 BuildRequires: libkxmlgui-devel
 BuildRequires: libpimcommon-devel
-BuildRequires: libqt5-devel
 BuildRequires: libsasl2-devel
 BuildRequires: libsolid-devel
 BuildRequires: libsonnet-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libsyntax-highlighting-devel
+BuildRequires: qt5-qtbase-devel
+BuildRequires: qt5-qtdeclarative-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
@@ -115,6 +119,9 @@ This package contains libraries and header files for developing applications tha
 %{_kde5_mkspecsdir}/qt_KSieveUi.pri
 
 %changelog
+* Sun Dec 12 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
+- automatic version update by autodist
+
 * Tue Nov 09 2021 Automatic Build System <autodist@mambasoft.it> 21.08.3-1mamba
 - automatic version update by autodist