diff --git a/.github/workflows/build-libraries.yaml b/.github/workflows/build-libraries.yaml
index c5016c2..703c003 100644
--- a/.github/workflows/build-libraries.yaml
+++ b/.github/workflows/build-libraries.yaml
@@ -65,6 +65,65 @@ jobs:
           name: ${{ env.ARTIFACT_NAME }}
           path: hdf5/${{ env.ARTIFACT_NAME }}.tar.gz
 
+  build_macosx_x86_64:
+    name: Build MacOSX (x86_64)
+    runs-on: macOS-11
+    env:
+      ARTIFACT_NAME: macosx_x86_64
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up CMake
+        uses: lukka/get-cmake@latest
+
+      - name: Install wget
+        run: brew install wget
+
+      - name: Run the build
+        run: |
+            git config --global --add safe.directory $(pwd)
+            ./build.sh "${ARTIFACT_NAME}"
+
+      - name: Upload tarball
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ env.ARTIFACT_NAME }}
+          path: hdf5/${{ env.ARTIFACT_NAME }}.tar.gz
+
+  build_macosx_arm64:
+    name: Build MacOSX (arm64)
+    runs-on: macOS-11
+    env:
+      ARTIFACT_NAME: macosx_arm64
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+        with:
+          platforms: arm64
+
+      - name: Set up CMake
+        uses: brew install cmake
+
+      - name: Install wget
+        run: brew install wget
+
+      - name: Run the build
+        run: |
+            git config --global --add safe.directory $(pwd)
+            ./build.sh "${ARTIFACT_NAME}" "-DCMAKE_OSX_ARCHITECTURES=arm64"
+
+      - name: Upload tarball
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ env.ARTIFACT_NAME }}
+          path: hdf5/${{ env.ARTIFACT_NAME }}.tar.gz
+
   publish:
     name: Publish libraries
     needs: [build_manylinux_x86_64, build_musllinux_x86_64]
diff --git a/build.sh b/build.sh
index c9c29d0..c656141 100755
--- a/build.sh
+++ b/build.sh
@@ -2,7 +2,9 @@
 
 set -e
 set -u
+
 output=$1 # output file name for the CPack bundle.
+options=${2:-""}
 
 mkdir -p installs
 
@@ -10,7 +12,7 @@ mkdir -p installs
 wget http://zlib.net/fossils/zlib-1.3.tar.gz -O zlib.tar.gz
 tar -xvf zlib.tar.gz
 cd zlib-1.3
-cmake -S . -B build -DCMAKE_INSTALL_PREFIX=../installs
+cmake -S . -B build -DCMAKE_INSTALL_PREFIX=../installs ${options}
 cmake --build build
 cmake --install build
 cd -
@@ -19,7 +21,7 @@ cd -
 git clone https://gitlab.dkrz.de/k202009/libaec
 cd libaec
 git checkout v1.0.6
-cmake -S . -B build -DCMAKE_INSTALL_PREFIX=../installs
+cmake -S . -B build -DCMAKE_INSTALL_PREFIX=../installs ${options}
 cmake --build build
 cmake --install build
 cd -
@@ -45,7 +47,8 @@ cmake -S . -B build \
   -DZLIB_LIBRARY=${cwd}/installs/lib/libz.a \
   -DSZIP_INCLUDE_DIR=${cwd}/installs/include \
   -DSZIP_LIBRARY=${cwd}/installs/lib/libsz.a \
-  -DCPACK_PACKAGE_FILE_NAME=${output}
+  -DCPACK_PACKAGE_FILE_NAME=${output} \
+  ${options}
 
 cmake --build build
 cpack -G TGZ --config build/CPackConfig.cmake