diff --git a/.github/workflows/scripts/linux/build-dependencies-qt.sh b/.github/workflows/scripts/linux/build-dependencies-qt.sh
index 2815d42050..f8df0a63a9 100755
--- a/.github/workflows/scripts/linux/build-dependencies-qt.sh
+++ b/.github/workflows/scripts/linux/build-dependencies-qt.sh
@@ -4,21 +4,21 @@ set -e
 
 INSTALLDIR="$HOME/deps"
 NPROCS="$(getconf _NPROCESSORS_ONLN)"
-SDL=SDL2-2.26.0
-QT=6.3.1
+SDL=SDL2-2.26.4
+QT=6.4.3
 LIBBACKTRACE=ad106d5fdd5d960bd33fae1c48a351af567fd075
 
 mkdir -p deps-build
 cd deps-build
 
 cat > SHASUMS <<EOF
-8000d7169febce93c84b6bdf376631f8179132fd69f7015d4dadb8b9c2bdb295  $SDL.tar.gz
+1a0f686498fb768ad9f3f80b39037a7d006eac093aad39cb4ebcc832a8887231  $SDL.tar.gz
 fd6f417fe9e3a071cf1424a5152d926a34c4a3c5070745470be6cf12a404ed79  $LIBBACKTRACE.zip
-0a64421d9c2469c2c48490a032ab91d547017c9cc171f3f8070bc31888f24e03  qtbase-everywhere-src-$QT.tar.xz
-7b19f418e6f7b8e23344082dd04440aacf5da23c5a73980ba22ae4eba4f87df7  qtsvg-everywhere-src-$QT.tar.xz
-c412750f2aa3beb93fce5f30517c607f55daaeb7d0407af206a8adf917e126c1  qttools-everywhere-src-$QT.tar.xz
-d7bdd55e2908ded901dcc262157100af2a490bf04d31e32995f6d91d78dfdb97  qttranslations-everywhere-src-$QT.tar.xz
-6f14fea2d172a5b4170be3efcb0e58535f6605b61bcd823f6d5c9d165bb8c0f0  qtwayland-everywhere-src-$QT.tar.xz
+5087c9e5b0165e7bc3c1a4ab176b35d0cd8f52636aea903fa377bdba00891a60  qtbase-everywhere-src-$QT.tar.xz
+88315f886cf81898705e487cedba6e6160724359d23c518c92c333c098879a4a  qtsvg-everywhere-src-$QT.tar.xz
+867df829cd5cd3ae8efe62e825503123542764b13c96953511e567df70c5a091  qttools-everywhere-src-$QT.tar.xz
+79e56b7800d49649a8a8010818538c367a829e0b7a09d5f60bd3aecf5abe972c  qttranslations-everywhere-src-$QT.tar.xz
+c6b161da8f4c01e48c10b7b558a0a01ac07dba9b907b13a98ff5d89f46bc4789  qtwayland-everywhere-src-$QT.tar.xz
 EOF
 
 curl -L \
@@ -76,19 +76,6 @@ cd ../../
 echo "Building Qt Wayland..."
 tar xf "qtwayland-everywhere-src-$QT.tar.xz"
 cd "qtwayland-everywhere-src-$QT"
-# qtwayland does not build without qml/qtdeclarative in 6.3.1. Work around it.
-patch -u src/compositor/CMakeLists.txt <<EOF
---- src/compositor/CMakeLists.txt	2022-06-08 13:44:30.000000000 +1000
-+++ src/compositor/CMakeLists.txt	2022-07-17 20:05:25.461881785 +1000
-@@ -46,7 +46,6 @@
-         global/qtwaylandcompositorglobal.h
-         global/qtwaylandqmlinclude.h
-         global/qwaylandcompositorextension.cpp global/qwaylandcompositorextension.h global/qwaylandcompositorextension_p.h
--        global/qwaylandquickextension.cpp global/qwaylandquickextension.h
-         global/qwaylandutils_p.h
-         hardware_integration/qwlclientbufferintegration.cpp hardware_integration/qwlclientbufferintegration_p.h
-         wayland_wrapper/qwlbuffermanager.cpp wayland_wrapper/qwlbuffermanager_p.h
-EOF
 mkdir build
 cd build
 cmake -G Ninja -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DCMAKE_BUILD_TYPE=Release ..
@@ -114,6 +101,30 @@ patch -u src/linguist/CMakeLists.txt <<EOF
      add_subdirectory(linguist)
  endif()
 EOF
+
+# Also force disable clang scanning, it gets very confused.
+patch -u configure.cmake <<EOF
+--- configure.cmake
++++ configure.cmake
+@@ -14,12 +14,12 @@
+ # Presumably because 6.0 ClangConfig.cmake files are not good enough?
+ # In any case explicitly request a minimum version of 8.x for now, otherwise
+ # building with CMake will fail at compilation time.
+-qt_find_package(WrapLibClang 8 PROVIDED_TARGETS WrapLibClang::WrapLibClang)
++#qt_find_package(WrapLibClang 8 PROVIDED_TARGETS WrapLibClang::WrapLibClang)
+ # special case end
+
+-if(TARGET WrapLibClang::WrapLibClang)
+-    set(TEST_libclang "ON" CACHE BOOL "Required libclang version found." FORCE)
+-endif()
++#if(TARGET WrapLibClang::WrapLibClang)
++#    set(TEST_libclang "ON" CACHE BOOL "Required libclang version found." FORCE)
++#endif()
+
+
+
+EOF
+
 mkdir build
 cd build
 cmake -G Ninja -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DCMAKE_BUILD_TYPE=Release -DFEATURE_assistant=OFF -DFEATURE_clang=OFF -DFEATURE_designer=OFF -DFEATURE_kmap2qmap=OFF -DFEATURE_pixeltool=OFF -DFEATURE_pkg_config=OFF -DFEATURE_qev=OFF -DFEATURE_qtattributionsscanner=OFF -DFEATURE_qtdiag=OFF -DFEATURE_qtplugininfo=OFF ..