diff --git a/.gitignore b/.gitignore
index ab83674..345efd6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /qtnetworkauth-everywhere-src-6.1.0.tar.xz
 /qtnetworkauth-everywhere-src-6.1.1.tar.xz
 /qtnetworkauth-everywhere-src-6.1.2.tar.xz
+/qtnetworkauth-everywhere-src-6.2.0-beta4.tar.xz
diff --git a/qt6-qtnetworkauth.spec b/qt6-qtnetworkauth.spec
index 6afd90f..d3331e2 100644
--- a/qt6-qtnetworkauth.spec
+++ b/qt6-qtnetworkauth.spec
@@ -1,15 +1,30 @@
+# FIXME: qt6-qtdeclarative doesn't build on S390x
+# BUG: https://bugreports.qt.io/browse/QTBUG-93101
+ExcludeArch: s390x
+
 %global qt_module qtnetworkauth
 
+%global unstable 1
+%if 0%{unstable}
+%global prerelease beta4
+%endif
+
 Summary: Qt6 - NetworkAuth component
 Name:    qt6-%{qt_module}
-Version: 6.1.2
+Version: 6.2.0%{?unstable:~%{prerelease}}
 Release: 1%{?dist}
 
 # See LGPL_EXCEPTIONS.txt, LICENSE.GPL3, respectively, for exception details
 License: LGPLv2 with exceptions or GPLv3 with exceptions
 Url:     http://www.qt.io
 %global majmin %(echo %{version} | cut -d. -f1-2)
-Source0: https://download.qt.io/official_releases/additional_libraries/%{qt_module}/%{majmin}/%{version}/%{qt_module}-everywhere-src-%{version}.tar.xz
+%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
 
 # filter plugin/qml provides
 %global __provides_exclude_from ^(%{_qt6_archdatadir}/qml/.*\\.so|%{_qt6_plugindir}/.*\\.so)$
@@ -40,7 +55,7 @@ Requires: %{name}%{?_isa} = %{version}-%{release}
 
 
 %prep
-%autosetup -n %{qt_module}-everywhere-src-%{version} -p1
+%autosetup -n %{qt_module}-everywhere-src-%{qt_version}%{?unstable:-%{prerelease}} -p1
 
 
 %build
@@ -80,12 +95,16 @@ popd
 %{_qt6_libdir}/cmake/Qt6NetworkAuth/*.cmake
 %{_qt6_archdatadir}/mkspecs/modules/qt_lib_networkauth*.pri
 %{_qt6_datadir}/modules/*.json
+%{_qt6_libdir}/metatypes/qt6*_metatypes.json
 
 %files examples
 %{_qt6_examplesdir}/
 
 
 %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 949bcdd..f92bb64 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (qtnetworkauth-everywhere-src-6.1.2.tar.xz) = b437274ea3936e78c9a8695de2bfb07674249c68e28bc21cb1bf2021fe8a5faed1b2c3fadad049cfa7704423ee5f6b45b66aa10c21561631a582f98998276605
+SHA512 (qtnetworkauth-everywhere-src-6.2.0-beta4.tar.xz) = 50b0b41ea5458f83f92f149bb998197f7eaaf46a7b5639de00bb7c4ef131d7e4f2f8698a0a87233fd0724808c2a98258f22557614c263cfc4445044269ca1541