diff --git a/.gitignore b/.gitignore
index 118019b..e118084 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /qtquicktimeline-everywhere-src-6.1.0.tar.xz
 /qtquicktimeline-everywhere-src-6.1.1.tar.xz
 /qtquicktimeline-everywhere-src-6.1.2.tar.xz
+/qtquicktimeline-everywhere-src-6.2.0-beta4.tar.xz
diff --git a/qt6-qtquicktimeline.spec b/qt6-qtquicktimeline.spec
index 97f3919..13b524d 100644
--- a/qt6-qtquicktimeline.spec
+++ b/qt6-qtquicktimeline.spec
@@ -1,8 +1,17 @@
+# FIXME: qt6-qtdeclarative doesn't build on S390x
+# BUG: https://bugreports.qt.io/browse/QTBUG-93101
+ExcludeArch: s390x
+
 %global qt_module qtquicktimeline
 
+%global unstable 1
+%if 0%{unstable}
+%global prerelease beta4
+%endif
+
 Summary: Qt6 - QuickTimeline plugin
 Name:    qt6-%{qt_module}
-Version: 6.1.2
+Version: 6.2.0%{?unstable:~%{prerelease}}
 Release: 1%{?dist}
 
 # See LICENSE.GPL LICENSE.LGPL LGPL_EXCEPTION.txt, for details
@@ -10,7 +19,13 @@ Release: 1%{?dist}
 License: GPLv2 with exceptions and GPLv3 with exceptions
 Url:     http://www.qt.io
 %global majmin %(echo %{version} | cut -d. -f1-2)
+%global  qt_version %(echo %{version} | cut -d~ -f1)
+
+%if 0%{unstable}
+Source0: https://download.qt.io/development_releases/qt/%{majmin}/%{qt_version}/submodules/%{qt_module}-everywhere-src-%{qt_version}-%{prerelease}.tar.xz
+%else
 Source0: https://download.qt.io/official_releases/qt/%{majmin}/%{version}/submodules/%{qt_module}-everywhere-src-%{version}.tar.xz
+%endif
 
 BuildRequires: cmake
 BuildRequires: gcc-c++
@@ -35,7 +50,7 @@ Requires: qt6-qtdeclarative-devel%{?_isa}
 %{summary}.
 
 %prep
-%autosetup -n %{qt_module}-everywhere-src-%{version} -p1
+%autosetup -n %{qt_module}-everywhere-src-%{qt_version}%{?unstable:-%{prerelease}} -p1
 
 
 %build
@@ -52,13 +67,28 @@ Requires: qt6-qtdeclarative-devel%{?_isa}
 %files
 %license LICENSE.GPL*
 %dir %{_qt6_qmldir}/QtQuick
+%{_qt6_libdir}/libQt6QuickTimeline.so.6*
 %{_qt6_qmldir}/QtQuick/Timeline/
 
 %files devel
+%{_qt6_includedir}/QtQuickTimeline/
+%{_qt6_libdir}/cmake/Qt6BuildInternals/StandaloneTests/*.cmake
 %{_qt6_libdir}/cmake/Qt6Qml/QmlPlugins/*.cmake
-
+%dir %{_qt6_libdir}/cmake/Qt6QuickTimeline/
+%{_qt6_libdir}/cmake/Qt6QuickTimeline/*.cmake
+%{_qt6_libdir}/libQt6QuickTimeline.prl
+%{_qt6_libdir}/libQt6QuickTimeline.so
+%{_qt6_libdir}/metatypes/qt6*_metatypes.json
+%{_qt6_libdir}/libQt6QuickTimeline.prl
+%{_qt6_libdir}/libQt6QuickTimeline.so
+%{_qt6_libdir}/metatypes/qt6*_metatypes.json
+%{_qt6_archdatadir}/mkspecs/modules/*.pri
+%{_qt6_datadir}/modules/*.json
 
 %changelog
+* Mon Sep 13 2021 Jan Grulich <jgrulich@redhat.com> - 6.2.0~beta4-1
+- 6.2.0 - beta4
+
 * Thu Aug 12 2021 Jan Grulich <jgrulich@redhat.com> - 6.1.2-1
 - 6.1.2
 
diff --git a/sources b/sources
index a2bc73c..8007416 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (qtquicktimeline-everywhere-src-6.1.2.tar.xz) = 2fe8af00cc32cbbde01655cd8a8d0aca98710bd356e062bdad8c7cd3f1f84e56e6cfe196caa4204005176ee0872227daceb4fcea4c3171dc82d04b80e01f8f77
+SHA512 (qtquicktimeline-everywhere-src-6.2.0-beta4.tar.xz) = 8ff59f4a8b6fe618b45a4391acf7e5458c9820de821bc3a87565849924e0e1e77ce814cc8e5542d2f77224f7be7ba3404ba06bbb055956c1a329d61a7ae5997c