diff --git a/mailcommon.spec b/mailcommon.spec
index 696657c..b6b7bde 100644
--- a/mailcommon.spec
+++ b/mailcommon.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          mailcommon
-Version:       21.08.3
+Version:       21.12.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 common mail library
 Group:         System/Libraries
@@ -14,12 +14,14 @@ Source:        http://download.kde.org/stable/release-service/%{version}/src/mai
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libX11-devel
 BuildRequires: libakonadi-contacts-devel
 BuildRequires: libakonadi-devel
 BuildRequires: libakonadi-mime-devel
 BuildRequires: libassuan-devel
 BuildRequires: libgcc
 BuildRequires: libgpgme-devel
+BuildRequires: libgrantlee-devel
 BuildRequires: libgrantleetheme-devel
 BuildRequires: libkarchive-devel
 BuildRequires: libkauth-devel
@@ -52,12 +54,12 @@ BuildRequires: libkxmlgui-devel
 BuildRequires: libmailimporter-devel
 BuildRequires: libphonon-devel
 BuildRequires: libpimcommon-devel
-BuildRequires: libqt5-devel
 BuildRequires: libsolid-devel
 BuildRequires: libsonnet-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libsyntax-highlighting-devel
 BuildRequires: messagelib-devel
+BuildRequires: qt5-qtbase-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
@@ -129,6 +131,9 @@ exit 0
 %{_libdir}/qt5/plugins/designer/mailcommonwidgets.so
 
 %changelog
+* Tue Dec 14 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