diff --git a/Ports/AvailablePorts.md b/Ports/AvailablePorts.md
index 225007504f..0e3b6affb4 100644
--- a/Ports/AvailablePorts.md
+++ b/Ports/AvailablePorts.md
@@ -211,7 +211,7 @@ This list is also available at [ports.serenityos.net](https://ports.serenityos.n
 | [`python3`](python3/)                               | Python                                                          | 3.11.0                   | https://www.python.org/                                                        |
 | [`qemu`](qemu/)                                     | QEMU                                                            | 7.1.0                    | https://qemu.org                                                               |
 | [`qoi`](qoi/)                                       | Quite OK Image Format for fast, lossless image compression      | edb8d7b                  | https://github.com/phoboslab/qoi                                               |
-| [`qt6-qt5compat`](qt6-qt5compat/)                   | Qt6 Qt5Compat                                                   | 6.2.3                    | https://doc.qt.io/qt-6/qtcore5-index.html                                      |
+| [`qt6-qt5compat`](qt6-qt5compat/)                   | Qt6 Qt5Compat                                                   | 6.4.0                    | https://doc.qt.io/qt-6/qtcore5-index.html                                      |
 | [`qt6-qtbase`](qt6-qtbase/)                         | Qt6 QtBase                                                      | 6.4.0                    | https://qt.io                                                                  |
 | [`qt6-serenity`](qt6-serenity/)                     | QSerenityPlatform                                               |                          | https://github.com/SerenityPorts/QSerenityPlatform                             |
 | [`quake`](quake/)                                   | Quake                                                           | 0.65                     | https://github.com/SerenityOS/SerenityQuake                                    |
diff --git a/Ports/qt6-qt5compat/package.sh b/Ports/qt6-qt5compat/package.sh
index 0310a6b523..6fb36b0e93 100755
--- a/Ports/qt6-qt5compat/package.sh
+++ b/Ports/qt6-qt5compat/package.sh
@@ -1,9 +1,9 @@
 #!/usr/bin/env -S bash ../.port_include.sh
 port='qt6-qt5compat'
-version='6.2.3'
+version='6.4.0'
 workdir="qt5compat-everywhere-src-${version}"
 useconfigure='true'
-files="https://download.qt.io/official_releases/qt/$(cut -d. -f1,2 <<< ${version})/${version}/submodules/qt5compat-everywhere-src-${version}.tar.xz qt6-qt5compat-${version}.tar.xz 1cf89198cf2cf8a5c15336ccd69fa1f39b779feb64117d6bbf5509c21c123f53"
+files="https://download.qt.io/official_releases/qt/$(cut -d. -f1,2 <<< ${version})/${version}/submodules/qt5compat-everywhere-src-${version}.tar.xz qt6-qt5compat-${version}.tar.xz 73475d0837f78246d509199f211a35c71fc36cccf64b3de258ebc6387194a4c0"
 auth_type='sha256'
 depends=(
     'qt6-qtbase'
@@ -13,11 +13,11 @@ depends=(
 configure() {
     export LDFLAGS='-liconv'
     run cmake -GNinja \
-        -DCMAKE_TOOLCHAIN_FILE=${SERENITY_BUILD_DIR}/CMakeToolchain.txt \
+        -DCMAKE_TOOLCHAIN_FILE="${SERENITY_BUILD_DIR}/CMakeToolchain.txt" \
         -DCMAKE_CROSSCOMPILING=ON \
         -DQT_BUILD_TOOLS_WHEN_CROSSCOMPILING=ON \
-        -DQT_HOST_PATH=$(qmake6 -query QT_HOST_PREFIX) \
-        -DQT_HOST_PATH_CMAKE_DIR=$(qmake6 -query QT_HOST_LIBS)/cmake \
+        -DQT_HOST_PATH="$(qmake6 -query QT_HOST_PREFIX)" \
+        -DQT_HOST_PATH_CMAKE_DIR="$(qmake6 -query QT_HOST_LIBS)/cmake" \
         -DQT_FEATURE_cxx20=ON
     unset LDFLAGS
 }