diff --git a/marble.spec b/marble.spec
index 12b3254..d2ae993 100644
--- a/marble.spec
+++ b/marble.spec
@@ -1,5 +1,5 @@
 Name:          marble
-Version:       20.08.3
+Version:       20.12.0
 Release:       1mamba
 Summary:       A free open source geographical map program
 Group:         Graphical Desktop/Applications/Educational
@@ -47,6 +47,7 @@ BuildRequires: libstdc++6-devel
 BuildRequires: libwlocate-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libprotobuf-devel
 BuildRequires: libgps-devel >= 3.21-1mamba
 BuildRequires: cmake
 Provides:      marble5
@@ -103,15 +104,18 @@ This package contains libraries and header files for developing applications tha
 
 %build
 %cmake_kde5 -d build
+
 %make
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall -C build
 
-mv %{buildroot}/usr/etc %{buildroot}/
+%find_lang %{name}5_qt --with-qt --with-html --with-html --all-name || touch %{name}5_qt.lang
 
-%find_lang %{name}5_qt --with-qt --all-name || touch %{name}5_qt.lang
+%ifarch aarch64
+mv %{buildroot}%{_prefix}/lib/{cmake,lib*,marble,plugins} %{buildroot}%{_libdir}/
+%endif
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -136,7 +140,6 @@ exit 0
 
 %files -f %{name}5_qt.lang
 %defattr(-,root,root)
-%{_sysconfdir}/xdg/marble.knsrc
 %{_kde5_bindir}/marble
 #%{_kde5_bindir}/marble-mobile
 %{_kde5_bindir}/marble-qt
@@ -144,11 +147,11 @@ exit 0
 %dir %{_kde5_datadir}/marble
 %{_kde5_datadir}/marble/*
 %{_datadir}/mime/packages/geo.xml
-%doc %lang(en) %{_kde5_htmldir}/en/marble
 %dir %{_datadir}/kxmlgui5/marble
 %{_datadir}/kxmlgui5/marble/*
 %{_datadir}/applications/org.kde.marble*.desktop
 %{_datadir}/metainfo/org.kde.*.xml
+%{_datadir}/knsrcfiles/marble.knsrc
 %{_datadir}/plasma/plasmoids/org.kde.plasma.worldclock/*
 %dir %{_datadir}/plasma/wallpapers/org.kde.plasma.worldmap
 %{_datadir}/plasma/wallpapers/org.kde.plasma.worldmap/*
@@ -156,40 +159,21 @@ exit 0
 %{_kde5_kcfgdir}/marble.kcfg
 %{_kde5_servicesdir}/*.desktop
 %{_kde5_xdgappsdir}/marble*.desktop
-%lang(ca) %{_datadir}/doc/HTML/ca/marble
-%lang(de) %{_datadir}/doc/HTML/de/marble
-%lang(es) %{_datadir}/doc/HTML/es/marble
-%lang(et) %{_datadir}/doc/HTML/et/marble
-%lang(fr) %{_datadir}/doc/HTML/fr/marble
-%lang(gl) %{_datadir}/doc/HTML/gl/marble
-%lang(it) %{_datadir}/doc/HTML/it/marble
-%lang(lt) %{_datadir}/doc/HTML/lt/marble
-%lang(nl) %{_datadir}/doc/HTML/nl/marble
-%lang(pt) %{_datadir}/doc/HTML/pt/marble
-%lang(pt_BR) %{_datadir}/doc/HTML/pt_BR/marble
-%lang(ru) %{_datadir}/doc/HTML/ru/marble
-%lang(sv) %{_datadir}/doc/HTML/sv/marble
-%lang(uk) %{_datadir}/doc/HTML/uk/marble
 
 %files -n libmarble
 %defattr(-,root,root)
 %{_libdir}/qt5/plugins/libmarble_part.so
-%{_libdir}/qt5/plugins/libmarblethumbnail.so
+%{_libdir}/qt5/plugins/marblethumbnail.so
 %{_libdir}/qt5/plugins/plasma_runner_marble.so
 %{_libdir}/libastro.so.*
+%{_libdir}/libmarbledeclarative.so
 %{_libdir}/libmarblewidget-qt5.so.*
 %dir %{_libdir}/marble
-#%dir %{_libdir}/marble/plugins
 %{_libdir}/qt5/qml/org/kde/marble/private/plasma/*
-#%ifarch x86_64
-#%{_libdir}/marble/plugins/org/kde/edu/marble/*
-#%else
-#%{_libdir}/qt5/qml/org/kde/edu/marble/*
-#%endif
 %dir %{_libdir}/marble/plugins
-%{_libdir}/libmarbledeclarative.so
-%{_libdir}/marble/plugins/lib*.so
-%{_libdir}/plugins/designer/lib*.so
+%{_libdir}/marble/plugins/*.so
+%dir %{_libdir}/plugins/designer
+%{_libdir}/plugins/designer/*.so
 %doc COPYING.DOC CREDITS
 
 %files -n libmarble-devel
@@ -209,6 +193,9 @@ exit 0
 %doc docs/*
 
 %changelog
+* Sun Dec 20 2020 Automatic Build System <autodist@mambasoft.it> 20.12.0-1mamba
+- automatic version update by autodist
+
 * Fri Nov 06 2020 Automatic Build System <autodist@mambasoft.it> 20.08.3-1mamba
 - automatic version update by autodist