diff --git a/knights.spec b/knights.spec
index 5386052..7c47771 100644
--- a/knights.spec
+++ b/knights.spec
@@ -1,5 +1,5 @@
 Name:          knights
-Version:       2.5.0
+Version:       19.04.3
 Release:       1mamba
 Summary:       A KDE chess frontend to server chess engines including GNUChess
 Group:         Graphical Desktop/Applications/Games
@@ -7,15 +7,33 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://kde-apps.org/content/show.php/Knights?content=122046
-Source:        http://dl.dropbox.com/u/2888238/Knights/knights-%{version}.tar.bz2
+Source:        https://download.kde.org/stable/applications/%{version}/src/knights-%{version}.tar.xz
+#Source:        http://dl.dropbox.com/u/2888238/Knights/knights-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: gnuchess
-BuildRequires: kdelibs-devel
 BuildRequires: libgcc
-BuildRequires: libkdegames-devel
-BuildRequires: libqt4-devel
+BuildRequires: libkauth-devel
+BuildRequires: libkcodecs-devel
+BuildRequires: libkcompletion-devel
+BuildRequires: libkconfig-devel
+BuildRequires: libkconfigwidgets-devel
+BuildRequires: libkcoreaddons-devel
+BuildRequires: libkcrash-devel
+BuildRequires: libkdbusaddons-devel
+BuildRequires: libkdegames5-devel
+BuildRequires: libki18n-devel
+BuildRequires: libkpackage-devel
+BuildRequires: libkplotting-devel
+BuildRequires: libkservice-devel
+BuildRequires: libktextwidgets-devel
+BuildRequires: libkwallet-devel
+BuildRequires: libkwidgetsaddons-devel
+BuildRequires: libkxmlgui-devel
+BuildRequires: libplasma-framework-devel
+BuildRequires: libqt5-devel
+BuildRequires: libsolid-devel
+BuildRequires: libsonnet-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 Requires:      gnuchess >= 5.07
@@ -35,33 +53,40 @@ Knights aims to be the ultimate chess resource on your computer. Written for the
 %setup -q
 
 %build
-%cmake_kde4 -d build
+%cmake_kde5 -d build
 %make
 
 %install
 [ "%{buildroot}" != / ] && rm -rf %{buildroot}
 %makeinstall -C build
 
-%find_lang %{name}
+%find_lang %{name}5_qt --with-qt --with-man --with-html --all-name || touch %{name}5_qt.lang
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf %{buildroot}
 
-%files -f %{name}.lang
+%files -f %{name}5_qt.lang
 %defattr(-,root,root)
-%{_kde4_bindir}/knights
-%{_kde4_xdgappsdir}/knights.desktop
-%{_kde4_datadir}/knights/knightsui.rc
-%{_kde4_datadir}/knights/themes
-%{_kde4_kcfgdir}/knights.kcfg
-%{_kde4_configdir}/knights.knsrc
-%{_kde4_icondir}/hicolor/*/apps/knights.png
+%{_sysconfdir}/xdg/knights.categories
+%{_sysconfdir}/xdg/knights.knsrc
+%{_bindir}/knights
+%{_datadir}/applications/org.kde.knights.desktop
+%{_datadir}/config.kcfg/knights.kcfg
 %{_datadir}/dbus-1/interfaces/org.kde.Knights.xml
-%dir %{_kde4_htmldir}/*/knights
-%{_kde4_htmldir}/*/knights/*
-%doc README README.themes
+%dir %{_datadir}/knights
+%dir %{_datadir}/knights/sounds
+%{_datadir}/knights/sounds/*
+%dir %{_datadir}/knights/themes
+%{_datadir}/knights/themes/*
+%{_datadir}/kxmlgui5/knights/knightsui.rc
+%{_datadir}/metainfo/org.kde.knights.appdata.xml
+%{_datadir}/icons/hicolor/*/apps/knights.png
+%doc LICENSE
 
 %changelog
+* Sun Aug 04 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 19.04.3-1mamba
+- update to 19.04.3
+
 * Wed Aug 22 2012 Silvan Calarco <silvan.calarco@mambasoft.it> 2.5.0-1mamba
 - update to 2.5.0