diff --git a/.github/workflows/build_cmake.yml b/.github/workflows/build_cmake.yml
index 60b86fbadd653..e1d25b34c9eee 100644
--- a/.github/workflows/build_cmake.yml
+++ b/.github/workflows/build_cmake.yml
@@ -68,6 +68,11 @@ jobs:
         git -c protocol.version=2 fetch --no-tags --prune --progress --depth=10 origin +${GITHUB_SHA}:refs/remotes/origin/${BRANCH}
         git checkout --progress --force -B $BRANCH refs/remotes/origin/$BRANCH
 
+    - name: Python Setup Windows
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.11'
+      if: runner.os == 'Windows'
     - name: Download Qt Windows
       id: qt_win
       if: runner.os == 'Windows'
@@ -76,9 +81,9 @@ jobs:
         DIR: "msvc2019_64"
       shell: bash --noprofile --norc -eo pipefail -x {0} 
       run: |
-        py -m pip install -r Tools/qt/qt-downloader-requirements.txt
+        pip install -r Tools/qt/qt-downloader-requirements.txt
         QT_INSTALL_DIR="/c/Qt"
-        py Tools/qt/qt-downloader windows desktop ${QT_VERSION} ${TOOLCHAIN} --output=${QT_INSTALL_DIR} --qt_modules="${QT_MODULES}"
+        python Tools/qt/qt-downloader windows desktop ${QT_VERSION} ${TOOLCHAIN} --output=${QT_INSTALL_DIR} --qt_modules="${QT_MODULES}"
         export QTDIR="${QT_INSTALL_DIR}/${QT_VERSION}/${DIR}"
         ls $QTDIR
         Tools/qt/license_writer.sh
@@ -132,14 +137,14 @@ jobs:
       if: runner.os == 'Windows' || runner.os == 'macOS'
       shell: bash --noprofile --norc -eo pipefail -x {0}
       run: |
-        pip3 install conan
+        pip3 install conan==1.60.1
 
     - name: Install dependencies (Ubuntu)
       if: runner.os == 'Linux'
       run: |
         sudo apt-get update && sudo apt-get install \
         ninja-build build-essential bison flex gperf libfontconfig1-dev libgl1-mesa-dev libglib2.0-dev libgstreamer-plugins-base1.0-dev libgstreamer1.0-dev libhyphen-dev libicu-dev libjpeg-dev libpng-dev libqt5opengl5-dev libqt5sensors5-dev libqt5webchannel5-dev libsqlite3-dev libwebp-dev libwoff-dev libxcomposite-dev libxml2-dev libxrender-dev libxslt1-dev mesa-common-dev pkg-config python3 qtbase5-private-dev qtdeclarative5-private-dev qtpositioning5-dev ruby libqt5sql5-sqlite qtbase5-doc-html qttools5-dev-tools \
-        libtasn1-6-dev libgcrypt20-dev
+        libtasn1-6-dev libgcrypt20-dev libunwind-dev libharfbuzz-dev
 
     - name: CMake version
       id: cmake_version
@@ -150,18 +155,15 @@ jobs:
     - name: CMake environment
       shell: bash --noprofile --norc -eo pipefail -x {0}
       run: |
-        echo "::add-path::$GITHUB_WORKSPACE"
-        echo "::set-env name=CCACHE_BASEDIR::$GITHUB_WORKSPACE"
-        echo "::set-env name=CCACHE_DIR::$GITHUB_WORKSPACE/.ccache"
-        echo "::set-env name=cmake_args::\
-            -DCMAKE_C_COMPILER_LAUNCHER=ccache \
-            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
-            -DENABLE_PCH=OFF"
+        echo "$GITHUB_WORKSPACE" >> $GITHUB_PATH
+        echo "CCACHE_BASEDIR=$GITHUB_WORKSPACE" >> $GITHUB_ENV
+        echo "CCACHE_DIR=$GITHUB_WORKSPACE/.ccache" >> $GITHUB_ENV
+        echo "cmake_args='-DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DENABLE_PCH=OFF'" >> $GITHUB_ENV
 
     - name: Configure (Linux)
       if: runner.os == 'Linux'
       shell: bash --noprofile --norc -eo pipefail -x {0}
-      run: cmake $cmake_args -H. -Bbuild -GNinja -DCMAKE_BUILD_TYPE=${{ matrix.config.build_type }}
+      run: cmake $cmake_args -H. -Bbuild -GNinja -DPORT=Qt -DCMAKE_BUILD_TYPE=${{ matrix.config.build_type }}
 
     - name: Configure (MSVC)
       if: runner.os == 'Windows' && matrix.config.environment_script != ''
diff --git a/Source/WTF/wtf/glib/GRefPtr.h b/Source/WTF/wtf/glib/GRefPtr.h
index afdc33d1e79a8..5386c0d3d1387 100644
--- a/Source/WTF/wtf/glib/GRefPtr.h
+++ b/Source/WTF/wtf/glib/GRefPtr.h
@@ -34,8 +34,11 @@ extern "C" {
     GDBusNodeInfo* g_dbus_node_info_ref(GDBusNodeInfo*);
     void g_dbus_node_info_unref(GDBusNodeInfo*);
 };
+
+#if !PLATFORM(QT)
 extern "C" void g_object_unref(gpointer);
 extern "C" gpointer g_object_ref_sink(gpointer);
+#endif
 
 namespace WTF {