diff --git a/.github/workflows/cibuildwheel.yml b/.github/workflows/cibuildwheel.yml
index c359c7e..7a37458 100644
--- a/.github/workflows/cibuildwheel.yml
+++ b/.github/workflows/cibuildwheel.yml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [macos-latest]
 
     steps:
       - uses: actions/checkout@v4
@@ -47,12 +47,22 @@ jobs:
           choco install rtools -y --no-progress --force --version=4.0.0.20220206
           echo "c:\rtools40\ucrt64\bin;" >> $env:GITHUB_PATH
 
+      # Adapted from https://github.com/scipy/scipy/blob/main/tools/wheels/cibw_before_build_macos.sh
+      - name: Install GFortran for macOS arm64
+        if: runner.os == 'macOS'
+        run: |
+          curl -L https://github.com/isuruf/gcc/releases/download/gcc-11.3.0-2/gfortran-darwin-x86_64-native.tar.gz -o gfortran.tar.gz
+          shasum -c <(echo '981367dd0ad4335613e91bbee453d60b6669f5d7e976d18c7bdb7f1966f26ae4  gfortran.tar.gz')
+          sudo tar -xv -C /opt -f gfortran.tar.gz
+
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.16
         env:
+          CIBW_BUILD_VERBOSITY: 1
           CIBW_ARCHS_LINUX: auto aarch64
           CIBW_ARCHS_WINDOWS: AMD64
-          CIBW_ENVIRONMENT_MACOS: FC=gfortran-11
+          CIBW_ENVIRONMENT_MACOS: FC=/opt/gfortran-darwin-x86_64-native/bin/gfortran
+          CIBW_ARCHS_MACOS: arm64
           # Skip musllinux wheels, which take a long time to build because Numpy must be built from source
           # Skip PyPy wheels
           # Skip 32-bit Intel wheels
diff --git a/pyproject.toml b/pyproject.toml
index a987fa3..f3a3ab6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Astronomy"
 ]
 license = { text = "NOSA" }
-requires-python = ">=3.9"
+requires-python = ">=3.9, <3.10"
 dependencies = ["astropy", "numpy>=1.19"]
 dynamic = [ "version" ]