diff --git a/qt3d-everywhere-src-6.4.2.tar.xz b/qt3d-everywhere-src-6.4.2.tar.xz
deleted file mode 100644
index 86a27fb..0000000
--- a/qt3d-everywhere-src-6.4.2.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:456c24c3d3840273e720b79fe8fed452fa889b54cbae6b45db1d1ded4da37341
-size 104002364
diff --git a/qt3d-everywhere-src-6.4.3.tar.xz b/qt3d-everywhere-src-6.4.3.tar.xz
new file mode 100644
index 0000000..212f14c
--- /dev/null
+++ b/qt3d-everywhere-src-6.4.3.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a88225f997253d1605afced4eaac5c2c4b368fd90cd5e076a90bd7d1b2ae3d71
+size 104002896
diff --git a/qt6-3d.changes b/qt6-3d.changes
index a32df44..6ade755 100644
--- a/qt6-3d.changes
+++ b/qt6-3d.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Fri Mar 17 08:58:31 UTC 2023 - Christophe Marin <christophe@krop.fr>
+
+- Temporarily disable build for x86
+
+-------------------------------------------------------------------
+Thu Mar 16 09:59:57 UTC 2023 - Christophe Marin <christophe@krop.fr>
+
+- Update to 6.4.3:
+  * https://www.qt.io/blog/qt-6.4.3-released
+
 -------------------------------------------------------------------
 Fri Jan  6 16:46:36 UTC 2023 - Christophe Marin <christophe@krop.fr>
 
diff --git a/qt6-3d.spec b/qt6-3d.spec
index cabfef3..4696715 100644
--- a/qt6-3d.spec
+++ b/qt6-3d.spec
@@ -16,7 +16,7 @@
 #
 
 
-%define real_version 6.4.2
+%define real_version 6.4.3
 %define short_version 6.4
 %define tar_name qt3d-everywhere-src
 %define tar_suffix %{nil}
@@ -27,13 +27,15 @@
 %endif
 #
 Name:           qt6-3d%{?pkg_suffix}
-Version:        6.4.2
+Version:        6.4.3
 Release:        0
 Summary:        Qt 6 3D Library
 License:        LGPL-3.0-only OR (GPL-2.0-only OR GPL-3.0-or-later)
 URL:            https://www.qt.io
 Source:         https://download.qt.io/official_releases/qt/%{short_version}/%{real_version}%{tar_suffix}/submodules/%{tar_name}-%{real_version}%{tar_suffix}.tar.xz
 Source99:       qt6-3d-rpmlintrc
+# TODO: Reenable build when 6.5.0 is released
+ExcludeArch:    %{ix86}
 BuildRequires:  pkgconfig
 BuildRequires:  qt6-core-private-devel
 BuildRequires:  qt6-gui-private-devel
@@ -440,30 +442,18 @@ touch meta_package
 rm -r %{buildroot}%{_qt6_cmakedir}/Qt6Qml/QmlPlugins
 rm %{buildroot}%{_qt6_cmakedir}/*/*Plugin{Config,ConfigVersion,Targets*}.cmake
 
-%post -n libQt63DAnimation6 -p /sbin/ldconfig
-%postun -n libQt63DAnimation6 -p /sbin/ldconfig
-%post -n libQt63DCore6 -p /sbin/ldconfig
-%postun -n libQt63DCore6 -p /sbin/ldconfig
-%post -n libQt63DExtras6 -p /sbin/ldconfig
-%postun -n libQt63DExtras6 -p /sbin/ldconfig
-%post -n libQt63DInput6 -p /sbin/ldconfig
-%postun -n libQt63DInput6 -p /sbin/ldconfig
-%post -n libQt63DLogic6 -p /sbin/ldconfig
-%postun -n libQt63DLogic6 -p /sbin/ldconfig
-%post -n libQt63DQuick6 -p /sbin/ldconfig
-%postun -n libQt63DQuick6 -p /sbin/ldconfig
-%post -n libQt63DQuickAnimation6 -p /sbin/ldconfig
-%postun -n libQt63DQuickAnimation6 -p /sbin/ldconfig
-%post -n libQt63DQuickExtras6 -p /sbin/ldconfig
-%postun -n libQt63DQuickExtras6 -p /sbin/ldconfig
-%post -n libQt63DQuickInput6 -p /sbin/ldconfig
-%postun -n libQt63DQuickInput6 -p /sbin/ldconfig
-%post -n libQt63DQuickRender6 -p /sbin/ldconfig
-%postun -n libQt63DQuickRender6 -p /sbin/ldconfig
-%post -n libQt63DQuickScene2D6 -p /sbin/ldconfig
-%postun -n libQt63DQuickScene2D6 -p /sbin/ldconfig
-%post -n libQt63DRender6 -p /sbin/ldconfig
-%postun -n libQt63DRender6 -p /sbin/ldconfig
+%ldconfig_scriptlets -n libQt63DAnimation6
+%ldconfig_scriptlets -n libQt63DCore6
+%ldconfig_scriptlets -n libQt63DExtras6
+%ldconfig_scriptlets -n libQt63DInput6
+%ldconfig_scriptlets -n libQt63DLogic6
+%ldconfig_scriptlets -n libQt63DQuick6
+%ldconfig_scriptlets -n libQt63DQuickAnimation6
+%ldconfig_scriptlets -n libQt63DQuickExtras6
+%ldconfig_scriptlets -n libQt63DQuickInput6
+%ldconfig_scriptlets -n libQt63DQuickRender6
+%ldconfig_scriptlets -n libQt63DQuickScene2D6
+%ldconfig_scriptlets -n libQt63DRender6
 
 %files devel
 %doc meta_package