diff --git a/mingw-w64-pyqt6/001-fix-build-with-Qt-6.6.patch b/mingw-w64-pyqt6/001-fix-build-with-Qt-6.6.patch
new file mode 100644
index 0000000000..16b12405d7
--- /dev/null
+++ b/mingw-w64-pyqt6/001-fix-build-with-Qt-6.6.patch
@@ -0,0 +1,11 @@
+--- a/sip/QtSql/qsqlresult.sip
++++ b/sip/QtSql/qsqlresult.sip
+@@ -63,7 +63,7 @@
+     QSql::ParamType bindValueType(const QString &placeholder) const;
+     QSql::ParamType bindValueType(int pos) const;
+     int boundValueCount() const;
+-    QList<QVariant> &boundValues() const;
++    QVariantList boundValues() const;
+     QString executedQuery() const;
+     QString boundValueName(int pos) const;
+     void clear();
diff --git a/mingw-w64-pyqt6/PKGBUILD b/mingw-w64-pyqt6/PKGBUILD
index 5fc90721c4..ec1478002c 100644
--- a/mingw-w64-pyqt6/PKGBUILD
+++ b/mingw-w64-pyqt6/PKGBUILD
@@ -3,7 +3,7 @@
 _realname=pyqt6
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-python-${_realname}")
-pkgver=6.5.2
+pkgver=6.5.3
 pkgrel=1
 pkgdesc="Python bindings for the Qt cross platform application toolkit (mingw-w64)"
 arch=('any')
@@ -30,7 +30,8 @@ optdepends=("${MINGW_PACKAGE_PREFIX}-qt6-tools"
             "${MINGW_PACKAGE_PREFIX}-qt6-websockets"
             "${MINGW_PACKAGE_PREFIX}-qt6-connectivity"
             "${MINGW_PACKAGE_PREFIX}-qt6-activeqt")
-makedepends=("${MINGW_PACKAGE_PREFIX}-sip"
+makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
+             "${MINGW_PACKAGE_PREFIX}-sip"
              "${MINGW_PACKAGE_PREFIX}-pyqt-builder"
              "${MINGW_PACKAGE_PREFIX}-python-setuptools"
              "${MINGW_PACKAGE_PREFIX}-qt6-tools"
@@ -46,14 +47,29 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-sip"
              "${MINGW_PACKAGE_PREFIX}-qt6-webchannel"
              "${MINGW_PACKAGE_PREFIX}-qt6-websockets"
              "${MINGW_PACKAGE_PREFIX}-qt6-connectivity"
-             "${MINGW_PACKAGE_PREFIX}-qt6-activeqt"
-             "${MINGW_PACKAGE_PREFIX}-cc")
-source=(https://pypi.python.org/packages/source/P/PyQt6/PyQt6-${pkgver}.tar.gz)
-sha256sums=('1487ee7350f9ffb66d60ab4176519252c2b371762cbe8f8340fd951f63801280')
+             "${MINGW_PACKAGE_PREFIX}-qt6-activeqt")
+source=(https://pypi.python.org/packages/source/P/PyQt6/PyQt6-${pkgver}.tar.gz
+        001-fix-build-with-Qt-6.6.patch)
+sha256sums=('bcbbf9511b038b4924298ca10999aa36eb37a0a38d0638f895f9bba6025c0a77'
+            'a0d54265d10ab25e675d6915ef411bb88d1e81a64bfc5c0eb11d177f6a957944')
+
+prepare() {
+  cd PyQt6-${pkgver}
+  patch -p1 -i "${srcdir}"/001-fix-build-with-Qt-6.6.patch
+
+  cd "${srcdir}"
+  rm -rf python-build-${MSYSTEM} | true
+  cp -r PyQt6-${pkgver} python-build-${MSYSTEM}
+}
 
 build() {
-  [[ -d python-${MSYSTEM} ]] && rm -rf python-${MSYSTEM}
-  cp -r PyQt6-${pkgver} python-${MSYSTEM} && cd python-${MSYSTEM}
+  cd "${srcdir}"/python-build-${MSYSTEM}
+
+  if check_option "debug" "n"; then
+    _build_type=release
+  else
+    _build_type=debug
+  fi
 
   MSYS2_ARG_CONV_EXCL="--api-dir=;" \
   ${MINGW_PREFIX}/bin/sip-build \
@@ -61,6 +77,9 @@ build() {
     --no-make \
     --api-dir=${MINGW_PREFIX}/share/qt6/qsci/api/python \
     --qmake=${MINGW_PREFIX}/bin/qmake6.exe \
+    --qmake-setting "CONFIG += ${_build_type}" \
+    --qmake-setting "QMAKE_CXXFLAGS += ${CXXFLAGS} -DQT_NO_INT128" \
+    --disable QtBluetooth \
     --concatenate 2 \
     --verbose
 
@@ -70,12 +89,13 @@ build() {
 
 package(){
   local _pysite=$(cygpath -u $(${MINGW_PREFIX}/bin/python -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())"))
-  cd python-${MSYSTEM}/build
+  cd "${srcdir}"/python-build-${MSYSTEM}/build
   # INSTALL_ROOT is needed for the QtDesigner module, the other Makefiles use DESTDIR
   MSYS2_ARG_CONV_EXCL="${_pysite}" \
   make DESTDIR="${pkgdir}" INSTALL_ROOT="${pkgdir}" install
 
   # compile Python bytecode
-  ${MINGW_PREFIX}/bin/python -m compileall -d / "$pkgdir"${MINGW_PREFIX}/lib
-  ${MINGW_PREFIX}/bin/python -O -m compileall -d / "$pkgdir"${MINGW_PREFIX}/lib
+  ${MINGW_PREFIX}/bin/python -m compileall -o 0 -o 1 -d / "$pkgdir"${MINGW_PREFIX}/lib
+
+  install -Dm644 ../LICENSE "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/LICENSE"
 }