diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 8bb3160..450973e 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -13,7 +13,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                os: [ubuntu-20.04, windows-2019, macos-11]
+                os: [ubuntu-20.04, windows-2019, macos-12]
                 arch: ["x86_64", "arm64"]
                 include:
                   - os: windows-2019
@@ -50,89 +50,6 @@ jobs:
                 path: wheelhouse/*.whl
                 if-no-files-found: error
 
-    wheels-old:
-        name: Build old wheels on ${{ matrix.os }} for ${{ matrix.arch }}
-        runs-on: ${{ matrix.os }}
-        strategy:
-            fail-fast: false
-            matrix:
-                os: [ubuntu-20.04, windows-2019, macos-11]
-                arch: ["x86_64"]
-                include:
-                  - os: windows-2019
-                    arch: win_amd64
-                  - os: windows-2019
-                    arch: win32
-                  - os: ubuntu-20.04
-                    arch: i686
-                  - os: ubuntu-20.04
-                    arch: aarch64
-                  - os: ubuntu-20.04
-                    arch: ppc64le
-                  - os: ubuntu-20.04
-                    arch: s390x
-                exclude:
-                  - os: windows-2019
-                    arch: "x86_64"
-        steps:
-          - name: Checkout repo
-            uses: actions/checkout@v3
-          - name: Set up QEMU
-            if: runner.os == 'Linux'
-            uses: docker/setup-qemu-action@v2
-            with:
-                platforms: all
-          - name: Build and test wheels
-            uses: pypa/cibuildwheel@v1.12.0
-            env:
-                CIBW_ARCHS: all
-                CIBW_BUILD_VERBOSITY: 3
-                CIBW_BUILD: "*${{ matrix.arch }}"
-                CIBW_SKIP: cp36-* cp37-* cp38-* cp39-* pp37-* pp*-macosx* cp35-macosx_x86_64
-                CIBW_TEST_REQUIRES: pytest
-                CIBW_TEST_COMMAND: pytest {package}/tests
-          - name: Upload wheels
-            uses: actions/upload-artifact@v3
-            with:
-                name: ${{ runner.os }}-${{ matrix.arch }}
-                path: wheelhouse/*.whl
-                if-no-files-found: error
-
-    wheels-win27:
-        name: Build Python 2.7 wheels on Windows ${{ matrix.arch }}
-        runs-on: windows-2019
-        strategy:
-            fail-fast: false
-            matrix:
-                arch: ["amd64", "win32"]
-        steps:
-          - name: Checkout repo
-            uses: actions/checkout@v3
-          - name: Prepare compiler environment for Windows
-            if: runner.os == 'Windows'
-            uses: ilammy/msvc-dev-cmd@v1
-            with:
-                arch: ${{ matrix.arch }}
-          - name: Set Windows environment variables
-            if: runner.os == 'Windows'
-            shell: bash
-            run: |
-                echo "DISTUTILS_USE_SDK=1" >> $GITHUB_ENV
-                echo "MSSdk=1" >> $GITHUB_ENV
-          - name: Build and test wheels
-            uses: pypa/cibuildwheel@v1.12.0
-            env:
-                CIBW_BUILD_VERBOSITY: 3
-                CIBW_BUILD: "*27*${{ matrix.arch }}"
-                CIBW_TEST_REQUIRES: pytest
-                CIBW_TEST_COMMAND: pytest {package}/tests
-          - name: Upload wheels
-            uses: actions/upload-artifact@v3
-            with:
-                name: ${{ runner.os }}-${{ matrix.arch }}
-                path: wheelhouse/*.whl
-                if-no-files-found: error
-
     sdist:
         name: Build sdist
         runs-on: ubuntu-latest