diff --git a/.github/workflows/build-wheels.yml b/.github/workflows/build-wheels.yml
index a621017..047b493 100644
--- a/.github/workflows/build-wheels.yml
+++ b/.github/workflows/build-wheels.yml
@@ -7,3 +7,16 @@ jobs:
     uses: ./.github/workflows/run-cibuildwheel.yml
     with:
       prerelease-pythons: true
+
+  build_sdist:
+    uses: ./.github/workflows/run-sdist.yml
+
+  check_build:
+    needs: [build_wheels, build_sdist]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          path: dist
+          merge-multiple: true
+      - run: ls -lR dist
diff --git a/.github/workflows/release-wheels.yml b/.github/workflows/release-wheels.yml
index 7d45b4d..b65c6f9 100644
--- a/.github/workflows/release-wheels.yml
+++ b/.github/workflows/release-wheels.yml
@@ -12,34 +12,20 @@ jobs:
       fail-fast: true
 
   build_sdist:
-    name: Build source distribution
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: true
-      - uses: actions/setup-python@v4
-        name: Install Python
-        with:
-          python-version: '3.8'
-      - name: Build sdist
-        run: python setup.py sdist
-      - uses: actions/upload-artifact@v3
-        with:
-          path: dist/*.tar.gz
+    uses: ./.github/workflows/run-sdist.yml
 
   upload_pypi:
     needs: [build_wheels, build_sdist]
-    runs-on: ubuntu-latest
-    # upload to PyPI when a GitHub Release is created
     if: github.event_name == 'release' && github.event.action == 'published'
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v4.1.7
+      - uses: actions/download-artifact@v4
         with:
-          name: artifact
           path: dist
-
-      - uses: pypa/gh-action-pypi-publish@release/v1
+          merge-multiple: true
+      - run: ls -lR dist
+      - name: Upload to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: __token__
           password: ${{ secrets.pypi_password }}
diff --git a/.github/workflows/run-cibuildwheel.yml b/.github/workflows/run-cibuildwheel.yml
index 77040be..c267a56 100644
--- a/.github/workflows/run-cibuildwheel.yml
+++ b/.github/workflows/run-cibuildwheel.yml
@@ -20,46 +20,31 @@ jobs:
       fail-fast: ${{ inputs.fail-fast }}
       matrix:
         include:
-          - name: Windows AMD64 & x86
-            os: windows-2019
-          - name: macOS x86_64 & universal2
-            os: macos-11
-          - name: manylinux and musllinux x86_64 & i686
-            os: ubuntu-20.04
-            cibw_build: cp3*-{manylinux,musllinux}_*
-            cibw_archs: auto
-          - name: manylinux aarch64
-            os: ubuntu-20.04
-            cibw_build: cp3*-manylinux_*
-            cibw_archs: aarch64
-          - name: musllinux aarch64
-            os: ubuntu-20.04
-            cibw_build: cp3*-musllinux_*
-            cibw_archs: aarch64
-
+          - name: Windows
+            os: windows-latest
+          - name: macOS x86_64
+            os: macos-13
+          - name: macOS arm64
+            os: macos-latest
+          - name: Linux
+            os: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: true
       - name: Set up QEMU
-        if: runner.os == 'Linux' && matrix.cibw_archs == 'aarch64'
+        if: runner.os == 'Linux'
         uses: docker/setup-qemu-action@v3
         with:
           platforms: all
-      - name: Set CIBW_BUILD
-        if: ${{ matrix.cibw_build }}
-        run: echo "CIBW_BUILD=${{ matrix.cibw_build }}" >> $GITHUB_ENV
-        shell: bash
-      - name: Set CIBW_ARCHS
-        if: ${{ matrix.cibw_archs }}
-        run: echo "CIBW_ARCHS=${{ matrix.cibw_archs }}" >> $GITHUB_ENV
-        shell: bash
+      - name: Enable CPython prerelease
+        if: ${{ inputs.prerelease-pythons }}
+        run: echo "CIBW_ENABLE=cpython-prerelease" >> $GITHUB_ENV
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.16.2
+        uses: pypa/cibuildwheel@v2.22.0
         with:
-          output-dir: ./wheelhouse
-        env:
-          CIBW_PRERELEASE_PYTHONS: ${{ inputs.prerelease-pythons }}
-      - uses: actions/upload-artifact@v3
+          output-dir: dist
+      - uses: actions/upload-artifact@v4
         with:
-          path: ./wheelhouse/*.whl
+          name: wheels-${{ matrix.os }}
+          path: dist/*.whl
diff --git a/.github/workflows/run-sdist.yml b/.github/workflows/run-sdist.yml
new file mode 100644
index 0000000..eab5277
--- /dev/null
+++ b/.github/workflows/run-sdist.yml
@@ -0,0 +1,24 @@
+on:
+  workflow_call:
+
+jobs:
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - uses: actions/setup-python@v5
+        name: Install Python
+        with:
+          check-latest: true
+          python-version: '3.13'
+      - name: Install setuptools
+        run: python -m pip install -U setuptools
+      - name: Build sdist
+        run: python setup.py sdist
+      - uses: actions/upload-artifact@v4
+        with:
+          name: sdist
+          path: dist/*.tar.gz
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index baab2bc..d939a18 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,15 +9,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, windows-2019, macos-11]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        os: [ubuntu-latest, windows-latest, macos-13, macos-latest]
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
     - uses: actions/checkout@v4
       with:
         submodules: true
     - name: Setup Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
+        check-latest: true
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: python -m pip install -U setuptools wheel
diff --git a/PYPIREADME.rst b/PYPIREADME.rst
index ae4d83c..5a62435 100644
--- a/PYPIREADME.rst
+++ b/PYPIREADME.rst
@@ -109,7 +109,7 @@ Unless stated otherwise on-file pycares uses the MIT license, check LICENSE file
 Supported Python versions
 -------------------------
 
-Python >= 3.8 are supported. Both CPython and PyPy are supported.
+Python >= 3.9 are supported. Both CPython and PyPy are supported.
 
 
 Contributing
diff --git a/README.rst b/README.rst
index e2e1b97..714d83e 100644
--- a/README.rst
+++ b/README.rst
@@ -115,7 +115,7 @@ Unless stated otherwise on-file pycares uses the MIT license, check LICENSE file
 Supported Python versions
 -------------------------
 
-Python >= 3.8 are supported. Both CPython and PyPy are supported.
+Python >= 3.9 are supported. Both CPython and PyPy are supported.
 
 
 Contributing
diff --git a/pyproject.toml b/pyproject.toml
index a0d0af7..48a3958 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ build-backend = "setuptools.build_meta"
 build = "cp3*"
 
 [tool.cibuildwheel.linux]
-archs = ["auto", "aarch64"]
+archs = ["auto", "aarch64", "ppc64le", "s390x"]
 before-all = """
 set -eux
 # musllinux_*
@@ -22,6 +22,3 @@ if command -v yum; then
     yum install -y libffi-devel
 fi
 """
-
-[tool.cibuildwheel.macos]
-archs = ["x86_64", "universal2"]
diff --git a/setup.py b/setup.py
index df67ae7..59a89e9 100755
--- a/setup.py
+++ b/setup.py
@@ -36,18 +36,18 @@ def get_version():
           'Operating System :: Microsoft :: Windows',
           'Programming Language :: Python',
           'Programming Language :: Python :: 3',
-          'Programming Language :: Python :: 3.8',
           'Programming Language :: Python :: 3.9',
           'Programming Language :: Python :: 3.10',
           'Programming Language :: Python :: 3.11',
           'Programming Language :: Python :: 3.12',
+          'Programming Language :: Python :: 3.13',
           'Programming Language :: Python :: Implementation :: CPython',
           'Programming Language :: Python :: Implementation :: PyPy',
       ],
       cmdclass         = {'build_ext': cares_build_ext},
       install_requires = ['cffi>=1.5.0'],
       extras_require   = {'idna': ['idna >= 2.1']},
-      python_requires  = '>=3.8',
+      python_requires  = '>=3.9',
       cffi_modules     = ['src/_cffi_src/build_cares.py:ffi'],
       package_dir      = {'': 'src'},
       packages         = ['pycares'],
diff --git a/src/pycares/_version.py b/src/pycares/_version.py
index 23bef39..87ab045 100644
--- a/src/pycares/_version.py
+++ b/src/pycares/_version.py
@@ -1,2 +1,2 @@
 
-__version__ = '4.4.0'
+__version__ = '4.5.0'