diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index c991ddc..79a9e7c 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -14,24 +14,20 @@ on:
 jobs:
   check_document:
     name: Check packaging 📦
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 20
         fetch-tags: true
-    - name: Set up Python 3.9
-      uses: actions/setup-python@v4
+    - name: Set up Python 3.12
+      uses: actions/setup-python@v5
       with:
-        python-version: '3.9'
+        python-version: '3.12'
     - name: Install tools
       run: |
         pip install -U pip
         pip install tox tox-gh-actions coveralls coverage[toml]
-    - name: Check invocation with Python2
-      run: |
-        ! python2 -m aqt help
-        [[ $(python2 -m aqt help) == "aqtinstall requires python 3!" ]]
     - name: Check
       run: tox
       env:
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 3a1585d..828d911 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index eb45262..430490f 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -12,18 +12,18 @@ on:
 jobs:
   build-n-publish:
     name: Build and publish Python 🐍 distributions 📦 to PyPI
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout 🛎️
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 50
       - name: Fetch release tag
         run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
-      - name: Set up Python 3.10🐍
-        uses: actions/setup-python@v4
+      - name: Set up Python 3.12🐍
+        uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: '3.12'
       - name: Install build and twine
         run: python -m pip install build twine --user
       - name: Build release assets
diff --git a/.github/workflows/release-note.yml b/.github/workflows/release-note.yml
index 9dfa31b..4f22be2 100644
--- a/.github/workflows/release-note.yml
+++ b/.github/workflows/release-note.yml
@@ -7,7 +7,7 @@ jobs:
   create-release-notes:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Create Release Notes
       uses: docker://decathlon/release-notes-generator-action:2.0.0
       env:
diff --git a/.github/workflows/test-install-qt.yml b/.github/workflows/test-install-qt.yml
index bdaa6ae..52a7b30 100644
--- a/.github/workflows/test-install-qt.yml
+++ b/.github/workflows/test-install-qt.yml
@@ -15,35 +15,31 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, ubuntu-latest]
-        py: ["3.9", "3.12"]
-        qtver: [5.9.9, 6.1.0]
+        py: ["3.12"]
+        qtver: [6.5.3, 6.6.3]
         artifact: [standard]
         include:
           - os: windows-latest
-            py: "3.10"
-            qtver: 6.1.0
+            py: "3.12"
+            qtver: 6.6.3
             artifact: binary
-          - os: ubuntu-20.04
-            py: "3.10"
-            qtver: 6.1.0
+          - os: windows-latest
+            py: "3.12"
+            qtver: 6.7.3
             artifact: standard
-        exclude:
           - os: ubuntu-latest
-            py: "3.10"
-            qtver: 6.1.0
+            py: "3.12"
+            qtver: 6.8.0
+            artifact: standard
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 20
           fetch-tags: true
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.py }}
-      - name: Run pytest
-        run: |
-          python -m pip install tox-gh-actions build
-          tox
       - name: Build and install
         if: matrix.artifact == 'standard'
         run: |
@@ -88,24 +84,22 @@ jobs:
               bin_path = str(github_workspace / "dist" / "aqt.exe")
             else:
               bin_path = (github_workspace / "dist" / "aqt").as_posix()
-            prefix = [bin_path, "install"]
+            prefix = [bin_path, "install-qt"]
           else:
-            prefix = ["python", "-m", "aqt", "install"]
+            prefix = ["python", "-m", "aqt", "install-qt"]
           command_line = []
           command_line.extend(prefix)
           if platform == "windows-latest":
-            if qtver.startswith('5.15'):
-              args = [qtver, "windows", "desktop", "win64_msvc2019_64"]
-            elif qtver.startswith('5.14'):
-              args = [qtver, "windows", "desktop", "win64_msvc2017_64"]
-            elif qtver.startswith('6'):
-              args = [qtver, "windows", "desktop", "win64_mingw81"]
+            if qtver.startswith('6.6'):
+              args = ["windows", "desktop", qtver, "win64_mingw"]
             else:
-              args = [qtver, "windows", "desktop", "win64_msvc2015_64"]
+              args = ["windows", "desktop", qtver, "win64_msvc2019_64"]
           elif platform == "macOS-latest":
-            args = [qtver, "mac", "desktop", "clang_64"]
+            args = ["mac", "desktop", qtver, "clang_64"]
+          elif qtver.startswith('6.8'):
+            args = ["linux", "desktop", qtver, "linux_gcc_64"]
           else:
-            args = [qtver, "linux", "desktop", "gcc_64"]
+            args = ["linux", "desktop", qtver, "gcc_64"]
           command_line.extend(args)
           command_line.extend(["--archives", "qtbase", "icu", "qt"])
           env["AQT_CONFIG"] = (github_workspace / "ci" / "settings.ini").as_posix()
@@ -116,17 +110,17 @@ jobs:
           except subprocess.CalledProcessError as cpe:
             exit(cpe.returncode)
           assert res.returncode == 0
-          if qtver.startswith('6'):
+          if qtver.startswith('6.6'):
             command_line6 = []
             command_line6.extend(prefix)
             if platform.startswith("ubuntu"):
-              command_line6.extend([qtver, "linux", "android", "android_armv7"])
+              command_line6.extend(["linux", "android", qtver, "android_armv7"])
               timeout = 360
             elif platform.startswith("macOS"):
-              command_line6.extend([qtver, "mac", "ios", "ios"])
+              command_line6.extend(["mac", "ios", qtver, "ios"])
               timeout = 360
             else:
-              command_line6.extend([qtver, "windows", "android", "android_armv7"])
+              command_line6.extend(["windows", "android", qtver, "android_armv7"])
               timeout = 360
             print("Execute: {}".format(command_line6))
             try:
@@ -145,14 +139,10 @@ jobs:
           platform = "${{ matrix.os }}"
           qtver = "${{ matrix.qtver }}"
           if platform == "windows-latest":
-            if qtver.startswith('5.15'):
-              arch_dir = 'msvc2019_64'
-            elif qtver.startswith('5.14'):
-              arch_dir = 'msvc2017_64'
-            elif qtver.startswith('6'):
-              arch_dir = 'mingw81_64'
+            if qtver.startswith('6.6'):
+              arch_dir = 'mingw_64'
             else:
-              arch_dir = 'msvc2015_64'
+              arch_dir = 'msvc2019_64'
           elif platform == "macOS-latest":
             arch_dir = 'clang_64'
           else:
@@ -161,29 +151,35 @@ jobs:
             res = run([f"{qtver}/{arch_dir}/bin/qmake", "-query"], timeout=15, check=True, stdout=PIPE)
           except CalledProcessError as cpe:
             exit(cpe.returncode)
-          if res.returncode == 0:
-            qt_prefix_path = pathlib.Path.cwd() / qtver / arch_dir
+          assert res.returncode == 0
+          print('Check prefix path qmake recognized...')
+          qt_prefix_path = pathlib.Path.cwd() / qtver / arch_dir
+          for line in res.stdout.splitlines():
+            if line.startswith(b'QT_INSTALL_PREFIX'):
+              result = line[18:].decode('UTF-8')
+              assert qt_prefix_path.samefile(result)
+          print('QT_INSTALL_PREFIX {}\nExpected path {}'.format(result, qt_prefix_path))
+          if qtver.startswith('6.6'):
+            print('Check prefix path by android/ios qmake recognized...')
+            if platform == "windows-latest":
+              target_dir = 'android_armv7'
+              qmake = os.path.join(qtver, 'android_armv7', 'bin', 'qmake.bat')
+            elif platform == "macOS-latest":
+              target_dir = 'ios'
+              qmake = os.path.join(qtver, 'ios', 'bin', 'qmake')
+            else:
+              target_dir = 'android_armv7'
+              qmake = os.path.join(qtver, 'android_armv7', 'bin', 'qmake')
+            try:
+              res = run([qmake, "-query"], timeout=15, check=True, stdout=PIPE)
+            except CalledProcessError as cpe:
+              exit(cpe.returncode)
+            assert res.returncode == 0
+            expected_path = pathlib.Path.cwd() / qtver / target_dir
             for line in res.stdout.splitlines():
               if line.startswith(b'QT_INSTALL_PREFIX'):
                 result = line[18:].decode('UTF-8')
-                assert qt_prefix_path.samefile(result)
-            print('PREFIX {}'.format(result))
-            if qtver.startswith('6'):
-              if platform == "windows-latest" and qtver.startswith('6'):
-                qmake = os.path.join(qtver, 'android_armv7', 'bin', 'qmake.bat')
-              elif platform == "macOS-latest" and qtver.startswith('6'):
-                qmake = os.path.join(qtver, 'ios', 'bin', 'qmake')
-              else:
-                qmake = os.path.join(qtver, 'android_armv7', 'bin', 'qmake')
-              try:
-                res = run([qmake, "-query"], timeout=15, check=True, stdout=PIPE)
-              except CalledProcessError as cpe:
-                exit(cpe.returncode)
-              assert res.returncode == 0
-              for line in res.stdout.splitlines():
-                if line.startswith(b'QT_INSTALL_PREFIX'):
-                  result = line[18:].decode('UTF-8')
-              print('PREFIX {}'.format(result))
+            print('QT_INATALL_PREFIX {}\nExpected path {}'.format(result, expected_path))
         shell: python
         working-directory: ${{ github.workspace }}
       - uses: actions/upload-artifact@v4
diff --git a/.github/workflows/upload-release-artifacts.yml b/.github/workflows/upload-release-artifacts.yml
index 89a02b6..d395bac 100644
--- a/.github/workflows/upload-release-artifacts.yml
+++ b/.github/workflows/upload-release-artifacts.yml
@@ -25,12 +25,12 @@ jobs:
       run:
         shell: ${{ matrix.system.os == 'windows-latest' && 'pwsh' || 'bash' }} {0}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 20
       - run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.py }}
           architecture: ${{ matrix.system.arch }}
diff --git a/README.rst b/README.rst
index 3b265b0..fa6b1b0 100644
--- a/README.rst
+++ b/README.rst
@@ -56,7 +56,7 @@ Requirements
     3.9
 
 - Recommended Python version:
-    3.9, 3.12 (frequently tested on)
+    3.12 (frequently tested on)
 
 - Dependencies:
     requests
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index b1c8441..6318e95 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,21 +1,15 @@
-trigger: none
-pr: none
-schedules:
-- cron: '0 12 * * 0'
-  displayName: Weekly sunday full tests
-  branches:
-    include:
-      - master
+trigger: [master]
+pr: [master]
 
 jobs:
 - job: MatricesGenerator
   displayName: Matrices Generator
   pool:
-    vmImage: 'ubuntu-20.04'
+    vmImage: 'ubuntu-22.04'
   steps:
     - task: UsePythonVersion@0
       inputs:
-        versionSpec: '3.9'
+        versionSpec: '3.12'
         addToPath: true
     - bash: python ci/generate_azure_pipelines_matrices.py
       name: mtrx
@@ -54,14 +48,14 @@ jobs:
   steps:
     - template: ci/steps.yml
 
-- job: Linux_ARM64
-  dependsOn: MatricesGenerator
-  pool:
-    vmImage: 'ubuntu-22.04'
-  container:
-    image: ubuntu:22.04
-    options: --platform linux/arm64
-  strategy:
-    matrix: $[ dependencies.MatricesGenerator.outputs['mtrx.linux_arm64'] ]
-  steps:
-    - template: ci/steps.yml
\ No newline at end of file
+#- job: Linux_ARM64
+#  dependsOn: MatricesGenerator
+#  pool:
+#    vmImage: 'ubuntu-22.04'
+#  container:
+#    image: ubuntu:22.04
+#    options: --platform linux/arm64
+#  strategy:
+#    matrix: $[ dependencies.MatricesGenerator.outputs['mtrx.linux_arm64'] ]
+#  steps:
+#    - template: ci/steps.yml
diff --git a/ci/generate_azure_pipelines_matrices.py b/ci/generate_azure_pipelines_matrices.py
index d3dfc44..b06994d 100644
--- a/ci/generate_azure_pipelines_matrices.py
+++ b/ci/generate_azure_pipelines_matrices.py
@@ -60,7 +60,7 @@ class BuildJob:
 
     def qt_bindir(self, *, sep='/') -> str:
         out_dir = f"$(Build.BinariesDirectory){sep}Qt" if not self.output_dir else self.output_dir
-        version_dir = "5.9" if self.qt_version == "5.9.0" else self.qt_version
+        version_dir = self.qt_version
         return f"{out_dir}{sep}{version_dir}{sep}{self.archdir}{sep}bin"
 
     def win_qt_bindir(self) -> str:
@@ -68,7 +68,7 @@ class BuildJob:
 
     def autodesk_qt_bindir(self, *, sep='/') -> str:
         out_dir = f"$(Build.BinariesDirectory){sep}Qt" if not self.output_dir else self.output_dir
-        version_dir = "5.9" if self.qt_version == "5.9.0" else self.qt_version
+        version_dir = self.qt_version
         return f"{out_dir}{sep}{version_dir}{sep}{self.autodesk_arch_folder or self.archdir}{sep}bin"
 
     def win_autodesk_qt_bindir(self) -> str:
@@ -87,9 +87,9 @@ class PlatformBuildJobs:
         self.build_jobs = build_jobs
 
 
-python_versions = ["3.9", "3.11", "3.12"]
+python_versions = ["3.12"]
 
-qt_versions = ["5.12.12", "5.15.14", "6.5.3"]
+qt_versions = ["6.5.3"]
 
 linux_build_jobs = []
 linux_arm64_build_jobs = []
@@ -113,107 +113,25 @@ linux_arm64_build_jobs.append(BuildJob("install-qt", "6.7.0", "linux_arm64", "de
 # Mac Desktop
 for qt_version in qt_versions:
     mac_build_jobs.append(
-        BuildJob("install-qt", qt_version, "mac", "desktop", "clang_64", "clang_64")
+        BuildJob("install-qt", qt_version, "mac", "desktop", "clang_64", "macos")
     )
+mac_build_jobs.append(BuildJob(
+            "install-qt",
+            "6.2.0",
+            "mac",
+            "desktop",
+            "clang_64",
+            "macos",
+            module="qtcharts qtnetworkauth", ))
 
 # Windows Desktop
+for qt_version in qt_versions:
+    windows_build_jobs.append(BuildJob("install-qt", qt_version, "windows", "desktop", "win64_msvc2019_64", "msvc2019_64"))
 windows_build_jobs.extend(
     [
         BuildJob(
             "install-qt",
-            "5.15.2",
-            "windows",
-            "desktop",
-            "win32_msvc2019",
-            "msvc2019",
-            mirror=random.choice(MIRRORS),
-        ),
-        BuildJob(
-            "install-qt",
-            "5.14.2",
-            "windows",
-            "desktop",
-            "win32_mingw73",
-            "mingw73_32",
-            mingw_variant="win32_mingw730",
-            mirror=random.choice(MIRRORS),
-        ),
-        BuildJob(
-            "install-qt",
-            "5.11.3",
-            "windows",
-            "desktop",
-            "win32_mingw53",
-            "mingw53_32",
-            subarchives="qtwinextras qtmultimedia qtbase qttools",
-            mingw_variant="win32_mingw530",
-            mirror=random.choice(MIRRORS),
-        ),
-        BuildJob(
-            "install-qt",
-            "5.13.2",
-            "windows",
-            "desktop",
-            "win64_msvc2015_64",
-            "msvc2015_64",
-            mirror=random.choice(MIRRORS),
-        ),
-        BuildJob(
-            "install-qt",
-            "5.15.2",
-            "windows",
-            "desktop",
-            "win64_mingw81",
-            "mingw81_64",
-            mingw_variant="win64_mingw810",
-            mirror=random.choice(MIRRORS),
-        ),
-        # Known issue with Azure-Pipelines environment: it has a pre-installed mingw81 which cause link error.
-        # BuildJob('install', '5.15.0', 'windows', 'desktop', 'win32_mingw81', 'mingw81_32', mirror=MIRROR),
-        BuildJob(
-            "install-qt",
-            "5.15.2",
-            "windows",
-            "desktop",
-            "win64_msvc2019_64",
-            "msvc2019_64",
-            module="qtcharts qtnetworkauth",
-            mirror=random.choice(MIRRORS),
-        ),
-        BuildJob(
-            "install-qt",
-            "5.11.3",
-            "windows",
-            "desktop",
-            "win32_msvc2015",
-            "msvc2015",
-            subarchives="qtwinextras qtmultimedia qtbase qttools",
-            mirror=random.choice(MIRRORS),
-        ),
-        BuildJob(
-            "install-qt",
-            "5.9.0",
-            "windows",
-            "desktop",
-            "win64_msvc2015_64",
-            "msvc2015_64",
-            module="qtcharts qtnetworkauth",
-            mirror=random.choice(MIRRORS),
-        ),
-        BuildJob(
-            "install-qt",
-            "5.14.2",
-            "windows",
-            "desktop",
-            "win64_mingw73",
-            "mingw73_64",
-            mingw_variant="win64_mingw730",
-            spec=">1,<5.15",  # Don't redirect output! Must be wrapped in quotes!
-            mirror=random.choice(MIRRORS),
-        ),
-        BuildJob(
-            "install-qt",
-            "6.5.2",
+            "6.5.3",
             "windows",
             "desktop",
             "win64_msvc2019_arm64",
@@ -232,28 +150,7 @@ windows_build_jobs.extend(
 # Extra modules test
 linux_build_jobs.extend(
     [
-        BuildJob(
-            "install-qt",
-            "5.15.2",
-            "linux",
-            "desktop",
-            "gcc_64",
-            "gcc_64",
-            module="qtcharts qtnetworkauth",
-        ),
-        BuildJob(
-            "install-qt", "5.14.2", "linux", "desktop", "gcc_64", "gcc_64", module="all"
-        ),
-        BuildJob(
-            "install-qt",
-            "5.15.2",
-            "linux",
-            "desktop",
-            "gcc_64",
-            "gcc_64",
-            subarchives="qtbase qttools qt icu qttools",
-        ),
-        BuildJob(
+       BuildJob(
             # Archives stored as .7z
             "install-src", "6.1.0", "linux", "desktop", "gcc_64", "gcc_64", subarchives="qtlottie",
             # Fail the job if this path does not exist:
@@ -267,54 +164,25 @@ linux_build_jobs.extend(
         ),
         # Should install the `qtlottie` module, even though the archive `qtlottieanimation` is not specified:
         BuildJob(
-            "install-doc", "6.1.0", "linux", "desktop", "gcc_64", "gcc_64",
+            "install-doc", "6.1.3", "linux", "desktop", "gcc_64", "gcc_64",
             subarchives="qtdoc", module="qtlottie",
             # Fail the job if these paths do not exist:
-            check_output_cmd="ls -lh ./Docs/Qt-6.1.0/qtdoc/ ./Docs/Qt-6.1.0/qtlottieanimation/",
+            check_output_cmd="ls -lh ./Docs/Qt-6.1.3/qtdoc/ ./Docs/Qt-6.1.3/qtlottieanimation/",
         ),
         # Should install the `qtcharts` module, even though the archive `qtcharts` is not specified:
         BuildJob(
-            "install-example", "6.1.0", "linux", "desktop", "gcc_64", "gcc_64",
+            "install-example", "6.1.3", "linux", "desktop", "gcc_64", "gcc_64",
             subarchives="qtdoc", module="qtcharts",
             # Fail the job if these paths do not exist:
-            check_output_cmd="ls -lh ./Examples/Qt-6.1.0/charts/ ./Examples/Qt-6.1.0/demos/ ./Examples/Qt-6.1.0/tutorials/",
+            check_output_cmd="ls -lh ./Examples/Qt-6.1.3/charts/ ./Examples/Qt-6.1.3/demos/ ./Examples/Qt-6.1.3/tutorials/",
         ),
         # test for list commands
-        BuildJob('list', '5.15.2', 'linux', 'desktop', 'gcc_64', '', spec="<6", list_options={'HAS_WASM': "True"}),
-        BuildJob('list', '6.1.0', 'linux', 'desktop', 'gcc_64', '', spec=">6.0,<6.1.1", list_options={'HAS_WASM': "False"}),
-        BuildJob('list', '6.1.0', 'linux', 'android', 'android_armv7', '', spec=">6.0,<6.1.1", list_options={}),
-        # tests run on linux but query data about other platforms
-        BuildJob('list', '5.14.1', 'mac', 'ios', 'ios', '', spec="<=5.14.1", list_options={}),
-        BuildJob('list', '5.13.1', 'windows', 'winrt', 'win64_msvc2015_winrt_x64', '', spec=">5.13.0,<5.13.2", list_options={}),
-    ]
-)
-mac_build_jobs.extend(
-    [
-        BuildJob(
-            "install-qt",
-            "6.2.0",
-            "mac",
-            "desktop",
-            "clang_64",
-            "macos",
-            module="qtcharts qtnetworkauth",
-        ),
-        BuildJob(
-            "install-qt",
-            "5.14.2",
-            "mac",
-            "desktop",
-            "clang_64",
-            "clang_64",
-            module="qtcharts qtnetworkauth",
-        ),
+        BuildJob('list-qt', '6.1.0', 'linux', 'desktop', 'gcc_64', '', spec=">6.0,<6.1.1", list_options={'HAS_WASM': "False"}),
+        BuildJob('list-qt', '6.1.0', 'linux', 'android', 'android_armv7', '', spec=">6.0,<6.1.1", list_options={}),
     ]
 )
 
 # WASM
-linux_build_jobs.append(
-    BuildJob("install-qt", "5.14.2", "linux", "desktop", "wasm_32", "wasm_32")
-)
 linux_build_jobs.append(
     BuildJob("install-qt", "6.4.0", "linux", "desktop", "wasm_32", "wasm_32",
              is_autodesktop=True, emsdk_version="sdk-3.1.14-64bit", autodesk_arch_folder="gcc_64")
@@ -330,17 +198,11 @@ for job_queue, host, desk_arch in (
                      is_autodesktop=True, emsdk_version="sdk-3.1.25-64bit", autodesk_arch_folder=desk_arch)
         )
 mac_build_jobs.append(
-    BuildJob("install-qt", "5.14.2", "mac", "desktop", "wasm_32", "wasm_32")
-)
-mac_build_jobs.append(
-    BuildJob("install-qt", "6.4.0", "mac", "desktop", "wasm_32", "wasm_32",
+    BuildJob("install-qt", "6.4.3", "mac", "desktop", "wasm_32", "wasm_32",
              is_autodesktop=True, emsdk_version="sdk-3.1.14-64bit", autodesk_arch_folder="clang_64")
 )
 windows_build_jobs.append(
-    BuildJob("install-qt", "5.14.2", "windows", "desktop", "wasm_32", "wasm_32")
-)
-windows_build_jobs.append(
-    BuildJob("install-qt", "6.4.0", "windows", "desktop", "wasm_32", "wasm_32",
+    BuildJob("install-qt", "6.4.3", "windows", "desktop", "wasm_32", "wasm_32",
              is_autodesktop=True, emsdk_version="sdk-3.1.14-64bit", autodesk_arch_folder="mingw_64",
              mingw_variant="win64_mingw900")
 )
@@ -348,16 +210,15 @@ windows_build_jobs.append(
 # mobile SDK
 mac_build_jobs.extend(
     [
-        BuildJob("install-qt", "6.4.0", "mac", "ios", "ios", "ios", module="qtsensors", is_autodesktop=True),
+        BuildJob("install-qt", "6.4.3", "mac", "ios", "ios", "ios", module="qtsensors", is_autodesktop=True),
         BuildJob("install-qt", "6.2.4", "mac", "ios", "ios", "ios", module="qtsensors", is_autodesktop=False),
-        BuildJob("install-qt", "6.4.1", "mac", "android", "android_armv7", "android_armv7", is_autodesktop=True),
-        BuildJob("install-qt", "6.1.0", "mac", "android", "android_armv7", "android_armv7", is_autodesktop=True),
+        BuildJob("install-qt", "6.4.3", "mac", "android", "android_armv7", "android_armv7", is_autodesktop=True),
     ]
 )
 linux_build_jobs.extend(
     [
-        BuildJob("install-qt", "6.1.0", "linux", "android", "android_armv7", "android_armv7", is_autodesktop=True),
-        BuildJob("install-qt", "6.4.1", "linux", "android", "android_arm64_v8a", "android_arm64_v8a", is_autodesktop=True),
+        BuildJob("install-qt", "6.1.3", "linux", "android", "android_armv7", "android_armv7", is_autodesktop=True),
+        BuildJob("install-qt", "6.4.3", "linux", "android", "android_arm64_v8a", "android_arm64_v8a", is_autodesktop=True),
     ]
 )
 
@@ -365,36 +226,8 @@ linux_build_jobs.extend(
 # This will test that the path to mingw is not hardcoded.
 windows_build_jobs.extend(
     [
-        BuildJob("install-qt", "6.3.0", "windows", "android", "android_armv7", "android_armv7", is_autodesktop=True),
-        BuildJob("install-qt", "6.4.1", "windows", "android", "android_x86_64", "android_x86_64", is_autodesktop=True),
-    ]
-)
-
-# Test binary patch of qmake
-linux_build_jobs.extend(
-    [
-        # New output dir is shorter than the default value; qmake could fail to
-        # locate prefix dir if the value is patched wrong
-        BuildJob(
-            "install-qt",
-            "5.12.11",
-            "linux",
-            "desktop",
-            "gcc_64",
-            "gcc_64",
-            output_dir="/t/Q",
-        ),
-        # New output dir is longer than the default value.
-        # This case is meant to work without any bugfix; if this fails, the test is setup wrong
-        BuildJob(
-            "install-qt",
-            "5.12.11",
-            "linux",
-            "desktop",
-            "gcc_64",
-            "gcc_64",
-            output_dir="/some/super/long/arbitrary/path/to" * 5,
-        ),
+        BuildJob("install-qt", "6.3.2", "windows", "android", "android_armv7", "android_armv7", is_autodesktop=True),
+        BuildJob("install-qt", "6.4.3", "windows", "android", "android_x86_64", "android_x86_64", is_autodesktop=True),
     ]
 )
 
diff --git a/ci/steps.yml b/ci/steps.yml
index 2915b35..dd7742e 100644
--- a/ci/steps.yml
+++ b/ci/steps.yml
@@ -179,7 +179,7 @@ steps:
           eq(variables['Agent.OS'], 'Linux'),
           eq(variables['Agent.OS'], 'Darwin')
         ),
-        ne(variables['SUBCOMMAND'], 'list'),
+        ne(variables['SUBCOMMAND'], 'list-qt'),
         ne(variables['SUBCOMMAND'], 'install-tool')
       )
     displayName: Build accelbubble example application to test for android
diff --git a/pyproject.toml b/pyproject.toml
index 04b3348..5469dad 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -111,7 +111,7 @@ exclude_lines = ["if __name__ == .__main__.:", "pragma: no-cover", "@abstract",
 
 [tool.black]
 line-length = 125
-target-version = ['py39']
+target-version = ['py312']
 
 [tool.isort]
 line_length = 125
@@ -174,7 +174,7 @@ markers = [
 [tool.tox]
 legacy_tox_ini = """
 [tox]
-envlist = check, docs, py{38,39,310,311,312}, py39d, mprof, fil, mypy
+envlist = check, docs, py{39,310,311,312,313}, mprof, fil, mypy
 isolated_build = True
 
 [testenv]
@@ -189,14 +189,14 @@ commands =
     python -m pytest -vv
 
 [testenv:check]
-basepython = python3.9
+basepython = python3.12
 extras = check
 commands =
     check-manifest {toxinidir}
     flake8 aqt tests
 
 [testenv:mypy]
-basepython = python3.9
+basepython = python3.12
 extras = check
 commands = mypy aqt
 deps =
@@ -205,20 +205,14 @@ deps =
     types-psutil
 
 [testenv:docs]
-basepython = python3.9
+basepython = python3.12
 extras = docs
 commands =
     sphinx-build {posargs:-E} -W -b html docs build/docs
     sphinx-build -W -b linkcheck docs build/docs
 
-[testenv:py39d]
-basepython = python3.9d
-extras = test, debug
-commands =
-    python3.9-dbg -m pytest -v --no-cov -R : -k "test_install"
-
 [testenv:mprof]
-basepython = python3.9
+basepython = python3.12
 extras = debug
 commands =
     mprof run --multiprocess python -m aqt install-qt -O /tmp -d /tmp linux desktop 6.2.1
@@ -228,7 +222,7 @@ deps =
     matplotlib
 
 [testenv:fil]
-basepython = python3.9
+basepython = python3.12
 extras = debug
 commands =
     fil-profile run -m aqt install-qt -O /tmp -d /tmp linux desktop 6.2.1
@@ -244,9 +238,9 @@ commands =
 
 [gh-actions]
 python =
-    3.8: py38
-    3.9: py39, docs, check, mypy
+    3.9: py39
     3.10: py310
     3.11: py311
-    3.12: py312
+    3.12: py312, docs, check, mypy
+    3.13-dev: py313
 """