diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e1f43644..d3fa1c77 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
     strategy:
       matrix:
         package: [basemap_data, basemap_data_hires]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
 
@@ -48,35 +48,7 @@ jobs:
     needs: [build_data]
     strategy:
       matrix:
-        include:
-          - os: ubuntu-latest
-            arch: x86_64
-            before_all: >-
-              echo "Starting BEFORE_ALL script" &&
-              echo "GEOS_DIR set to: ${GEOS_DIR}" &&
-              cd "{package}" &&
-              python -c "import utils; utils.GeosLibrary('${GEOS_VERSION}').build('${GEOS_DIR}', njobs=2)"
-          - os: macos-13
-            arch: x86_64
-            before_all: >-
-              echo "Starting BEFORE_ALL script" &&
-              echo "GEOS_DIR set to: ${GEOS_DIR}" &&
-              cd "{package}" &&
-              python -c "import utils; utils.GeosLibrary('${GEOS_VERSION}').build('${GEOS_DIR}', njobs=2)"
-          - os: macos-14
-            arch: arm64
-            before_all: >-
-              echo "Starting BEFORE_ALL script" &&
-              echo "GEOS_DIR set to: ${GEOS_DIR}" &&
-              cd "{package}" &&
-              python -c "import utils; utils.GeosLibrary('${GEOS_VERSION}').build('${GEOS_DIR}', njobs=2)"
-          - os: windows-latest
-            arch: x86_64
-            before_all: >-
-              echo Starting BEFORE_ALL script &&
-              echo GEOS_DIR set to: %GEOS_DIR% &&
-              cd "{package}" &&
-              python -c "import utils; utils.GeosLibrary('%GEOS_VERSION%').build('%GEOS_DIR%', njobs=2)"
+        os: [ubuntu-22.04, windows-2019, macos-13, macos-14]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
@@ -87,7 +59,7 @@ jobs:
           python-version: "3.9"
 
       - name: Build sdist
-        if: matrix.os == 'ubuntu-latest'
+        if: matrix.os == 'ubuntu-22.04'
         run: |
           cd packages/basemap
           python -m pip install build
@@ -96,16 +68,17 @@ jobs:
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.22.0
         env:
-          CIBW_BUILD_VERBOSITY: 1
+          CIBW_ARCHS: "native"
           CIBW_BUILD: "cp39* cp310* cp311* cp312* cp313*"
-          CIBW_ARCHS_MACOS: ${{ matrix.arch }}
-          CIBW_SKIP: "pp* *-musllinux_* *-win32 *-manylinux_i686 *-musllinux_i686 *-linux_aarch64 *-linux_armv7l"
-          CIBW_BEFORE_ALL: ${{ matrix.before_all }}
+          CIBW_BUILD_VERBOSITY: 1
+          CIBW_SKIP: "*-musllinux_*"
+          CIBW_BEFORE_ALL: "python {project}/.github/workflows/run_before_all.py"
           CIBW_TEST_EXTRAS: "test"
           CIBW_TEST_COMMAND: "python -m pytest {project}/packages/basemap"
           CIBW_ENVIRONMENT: >-
             GEOS_VERSION="3.6.5"
             GEOS_DIR="$(pwd)/extern"
+            GEOS_NJOBS=4
             PIP_PREFER_BINARY=1
             PYTHONUNBUFFERED=1
             LD_LIBRARY_PATH="${GEOS_DIR}/lib"
@@ -125,7 +98,7 @@ jobs:
   check:
     name: Check packages
     needs: [build_data, build_basemap]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/download-artifact@v4
         with:
@@ -147,7 +120,7 @@ jobs:
   upload:
     name: Upload packages
     needs: [build_data, build_basemap, check]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
     steps:
       - uses: actions/download-artifact@v4
diff --git a/.github/workflows/run_before_all.py b/.github/workflows/run_before_all.py
new file mode 100644
index 00000000..575a2676
--- /dev/null
+++ b/.github/workflows/run_before_all.py
@@ -0,0 +1,37 @@
+#! /usr/bin/env python
+"""Helper script to be run by `cibuildwheel` as `before_all` step."""
+
+import os
+import sys
+
+HERE = os.path.abspath(__file__)
+ROOT = os.path.dirname(os.path.dirname(os.path.dirname(HERE)))
+sys.path.insert(0, os.path.join(ROOT, "packages", "basemap"))
+import utils  # noqa: E402  # pylint: disable=imports
+
+
+def main():
+    """Build the GEOS library based on parsed environment variables."""
+
+    geos_version = os.environ.get("GEOS_VERSION", None)
+    if geos_version is None:
+        raise ValueError("Undefined environment variable GEOS_VERSION")
+
+    geos_dir = os.environ.get("GEOS_DIR", None)
+    if geos_dir is None:
+        raise ValueError("Undefined environment variable GEOS_DIR")
+
+    geos_njobs = int(os.environ.get("GEOS_NJOBS", 1))
+
+    # pylint: disable=consider-using-f-string
+    print("Running before_all script with the following settings:")
+    print("GEOS_DIR: {0}".format(geos_dir))
+    print("GEOS_VERSION: {0}".format(geos_version))
+    print("GEOS_NJOBS: {0}".format(geos_njobs))
+
+    utils.GeosLibrary(geos_version).build(geos_dir, njobs=geos_njobs)
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 353ffba0..b14c8acd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,15 +13,17 @@ https://semver.org/spec/v2.0.0.html
 ## [Unreleased]
 
 ### Added
-- Support for Python 3.13 (PR [#619], solves issue [#608]).
-- Support for NumPy 2.0 (PR [#614] by @cvanelteren, solves issue
-  [#604]).
+- Python 3.13 support (PR [#619], solves issue [#608]).
+- NumPy 2.0 support (PR [#614] by @cvanelteren, solves issue [#604]).
+- Automated wheels for x86_64 and arm64 (PR [#620] by @cvanelteren,
+  solves issue [#608]).
 
 ### Changed
 - **BREAKING CHANGE**: Set Python minimum supported version to 3.9.
 - **BREAKING CHANGE**: Migrate `basemap` libraries to use implicit
   namespace packages (PR [#576] by @ksunden).
-- Migrate workflows to use `cibuildwheel` (PR [#614] by @cvanelteren).
+- Migrate workflows to use `cibuildwheel` (PRs [#614] and [#618] by
+  @cvanelteren and PR [#621], solves GitHub artifact actions v1 sunset).
 - Update library dependencies:
   - Upgrade upper limit for `basemap_data` to 3.0.
   - Upgrade lower limit for `packaging` to 20.5.
@@ -1154,8 +1156,14 @@ https://semver.org/spec/v2.0.0.html
 - Fix glitches in drawing of parallels and meridians.
 
 
+[#621]:
+https://github.com/matplotlib/basemap/pull/621
+[#620]:
+https://github.com/matplotlib/basemap/pull/620
 [#619]:
 https://github.com/matplotlib/basemap/pull/619
+[#618]:
+https://github.com/matplotlib/basemap/pull/618
 [#615]:
 https://github.com/matplotlib/basemap/pull/615
 [#614]: