diff --git a/.github/workflows/run-cibuildwheel.yml b/.github/workflows/run-cibuildwheel.yml
index 77040be..0075dab 100644
--- a/.github/workflows/run-cibuildwheel.yml
+++ b/.github/workflows/run-cibuildwheel.yml
@@ -23,7 +23,9 @@ jobs:
           - name: Windows AMD64 & x86
             os: windows-2019
           - name: macOS x86_64 & universal2
-            os: macos-11
+            os: macos-13
+          - name: macOS M1
+            os: macos-15
           - name: manylinux and musllinux x86_64 & i686
             os: ubuntu-20.04
             cibw_build: cp3*-{manylinux,musllinux}_*
@@ -55,7 +57,7 @@ jobs:
         run: echo "CIBW_ARCHS=${{ matrix.cibw_archs }}" >> $GITHUB_ENV
         shell: bash
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.16.2
+        uses: pypa/cibuildwheel@v2.21.2
         with:
           output-dir: ./wheelhouse
         env:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index baab2bc..657bcc6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,8 +9,8 @@ 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-20.04, windows-2019, macos-13, macos-15]
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
     - uses: actions/checkout@v4
       with:
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/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'],