diff --git a/rocs.spec b/rocs.spec
index fc433cd..caac525 100644
--- a/rocs.spec
+++ b/rocs.spec
@@ -1,16 +1,17 @@
 Name:          rocs
-Version:       21.08.3
+Version:       21.12.0
 Release:       1mamba
 Summary:       Graph Theory Tool for Professors and Students
 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://apps.kde.org/education/rocs/
 Source:        http://download.kde.org/stable/release-service/%{version}/src/rocs-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libQt5XmlPatterns-devel
 BuildRequires: libX11-devel
 BuildRequires: libgcc
 BuildRequires: libgrantlee-devel
@@ -33,14 +34,15 @@ BuildRequires: libktextwidgets-devel
 BuildRequires: libkwidgetsaddons-devel
 BuildRequires: libkwindowsystem-devel
 BuildRequires: libkxmlgui-devel
-BuildRequires: libqt5-devel
 BuildRequires: libsolid-devel
 BuildRequires: libsonnet-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libsyntax-highlighting-devel
+BuildRequires: qt5-qtbase-devel
+BuildRequires: qt5-qtdeclarative-devel
+BuildRequires: qt5-qtscript-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
-#Requires:      kde-workspace
 
 %description
 Rocs aims to be a Graph Theory IDE for helping professors to show the results of a graph algorithm and also helping students to do the algorithms.
@@ -65,6 +67,8 @@ Requires:      librocs = %{?epoch:%epoch:}%{version}-%{release}
 %description -n librocs-devel
 %{summary}.
 
+%debug_package
+
 %prep
 %setup -q
 
@@ -79,7 +83,7 @@ Requires:      librocs = %{?epoch:%epoch:}%{version}-%{release}
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall -C build
 
-%find_lang %{name}5_qt --with-qt --all-name || touch %{name}5_qt.lang
+%find_lang %{name}5_qt --with-qt --with-html --all-name || touch %{name}5_qt.lang
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -111,23 +115,10 @@ exit 0
 %{_datadir}/applications/org.kde.rocs.desktop
 %{_datadir}/icons/hicolor/scalable/actions/*.svgz
 %{_datadir}/kxmlgui5/rocs/rocsui.rc
-#%dir %{_datadir}/rocsgraphtheory
-#%dir %{_datadir}/rocsgraphtheory/qml
-#%{_datadir}/rocsgraphtheory/qml/*.qml
 %{_kde5_kcfgdir}/%{name}.kcfg
 %{_kde5_icondir}/hicolor/scalable/apps/rocs.svgz
 %{_datadir}/metainfo/org.kde.rocs.appdata.xml
 %{_kde5_icondir}/hicolor/*/apps/rocs.png
-%lang(en) %{_kde5_htmldir}/en/%{name}
-%lang(ca) %{_datadir}/doc/HTML/ca/rocs
-%lang(de) %{_datadir}/doc/HTML/de/rocs
-%lang(es) %{_datadir}/doc/HTML/es/rocs
-%lang(it) %{_datadir}/doc/HTML/it/rocs
-%lang(nl) %{_datadir}/doc/HTML/nl/rocs
-%lang(pt) %{_datadir}/doc/HTML/pt/rocs
-%lang(pt_BR) %{_datadir}/doc/HTML/pt_BR/rocs
-%lang(sv) %{_datadir}/doc/HTML/sv/rocs
-%lang(uk) %{_datadir}/doc/HTML/uk/rocs
 
 %files -n lib%{name}
 %defattr(-,root,root)
@@ -145,6 +136,9 @@ exit 0
 %{_libdir}/librocsgraphtheory.so
 
 %changelog
+* Sat Dec 11 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 21.12.0-1mamba
+- update to 21.12.0
+
 * Fri Nov 05 2021 Automatic Build System <autodist@mambasoft.it> 21.08.3-1mamba
 - automatic version update by autodist