diff --git a/.github/workflows/cibuildwheels.yml b/.github/workflows/cibuildwheels.yml
index b00fd83..1b1927d 100644
--- a/.github/workflows/cibuildwheels.yml
+++ b/.github/workflows/cibuildwheels.yml
@@ -37,7 +37,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.9'
+          python-version: '3.11'
 
       - name: Set up QEMU
         if: ${{ matrix.arch == 'aarch64' }}
@@ -63,7 +63,7 @@ jobs:
         uses: pypa/cibuildwheel@v2.16.5
         env:
           CIBW_BEFORE_ALL: python3 -m pip install cibuildwheel -U
-          CIBW_BUILD: 'cp38-win_amd64 cp39-win_amd64 cp310-win_amd64 cp311-win_amd64'
+          CIBW_BUILD: 'cp310-win_amd64 cp311-win_amd64 cp312-win_amd64'
           CIBW_BEFORE_TEST: python3 -m pip install --upgrade pip && python3 -m pip install -r requirements-test.txt
           CIBW_TEST_COMMAND: >
             cmd /V /C "set BLOSC_TRACE=1 && python3 -m pytest {project}/tests"
@@ -75,7 +75,7 @@ jobs:
           # The build requirements should be installed by the pyproject.toml specs
           #CIBW_BEFORE_BUILD: python3 -m pip install --upgrade pip && python3 -m pip install -r requirements-build.txt
           CIBW_BEFORE_BUILD_MACOS: CMAKE_OSX_ARCHITECTURES=x86_64
-          CIBW_BUILD: 'cp39-* cp310-* cp311-* cp312-*'
+          CIBW_BUILD: 'cp310-* cp311-* cp312-*'
           CIBW_BEFORE_TEST: python3 -m pip install --upgrade pip && python3 -m pip install -r requirements-test.txt
           CIBW_TEST_COMMAND: >
             BLOSC_TRACE=1 python3 -m pytest {project}/tests
@@ -87,7 +87,7 @@ jobs:
         uses: pypa/cibuildwheel@v2.16.5
         env:
           # The build requirements should be installed by the pyproject.toml specs
-          CIBW_BUILD: 'cp39-* cp310-* cp311-* cp312-*'
+          CIBW_BUILD: 'cp310-* cp311-* cp312-*'
           CIBW_ARCHS_LINUX: "aarch64"
 
       - name: Build wheels (Mac OSX arm64)
@@ -96,7 +96,7 @@ jobs:
         env:
           # The build requirements should be installed by the pyproject.toml specs
           CIBW_ENVIRONMENT: CMAKE_OSX_ARCHITECTURES=arm64 DONT_BUILD_EXAMPLES=1
-          CIBW_BUILD: 'cp39-* cp310-* cp311-* cp312-*'
+          CIBW_BUILD: 'cp310-* cp311-* cp312-*'
           CIBW_TEST_SKIP: "*macosx*arm64*"  # cibuild does not support testing arm64 on macos
           CIBW_ARCHS_MACOS: "arm64"