diff --git a/kalzium.spec b/kalzium.spec
index 8e1a374..c8b3399 100644
--- a/kalzium.spec
+++ b/kalzium.spec
@@ -1,16 +1,17 @@
 Name:          kalzium
-Version:       21.08.3
+Version:       21.12.0
 Release:       1mamba
 Summary:       Periodic table of elements
 Group:         Graphical Desktop/Applications/Educational
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Davide Madrisan <davide.madrisan@gmail.com>
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://edu.kde.org/kalzium/
 Source:        https://download.kde.org/stable/release-service/%{version}/src/kalzium-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libQt5Svg-devel
 BuildRequires: libX11-devel
 BuildRequires: libgcc
 BuildRequires: libkauth-devel
@@ -31,10 +32,11 @@ BuildRequires: libkwidgetsaddons-devel
 BuildRequires: libkwindowsystem-devel
 BuildRequires: libkxmlgui-devel
 BuildRequires: libopenbabel-devel
-BuildRequires: libqt5-devel
 BuildRequires: libsolid-devel
 BuildRequires: libsonnet-devel
 BuildRequires: libstdc++6-devel
+BuildRequires: qt5-qtbase-devel
+BuildRequires: qt5-qtscript-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libopenbabel-devel >= 3.1.1-3mamba
 BuildRequires: cmake
@@ -115,12 +117,11 @@ exit 0
 %{_datadir}/kxmlgui5/kalzium/kalziumui.rc
 %{_datadir}/metainfo/org.kde.kalzium.appdata.xml
 %{_mandir}/man1/%{name}.*
-%doc COPYING COPYING.DOC
 
 %files -n libkalzium
 %defattr(-,root,root)
 %{_kde5_libdir}/libscience.so.*
-%doc COPYING.LIB
+%doc LICENSES
 
 %files -n libkalzium-devel
 %defattr(-,root,root)
@@ -129,6 +130,9 @@ exit 0
 %{_kde5_libdir}/libscience.so
 
 %changelog
+* Sat Dec 11 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
+- automatic version update by autodist
+
 * Thu Nov 04 2021 Automatic Build System <autodist@mambasoft.it> 21.08.3-1mamba
 - automatic version update by autodist