diff --git a/.github/workflows/releases.yml b/.github/workflows/releases.yml
index d0b7a55..f6fec18 100644
--- a/.github/workflows/releases.yml
+++ b/.github/workflows/releases.yml
@@ -6,104 +6,159 @@ on:
     tags:
       - "v*"
 
-env:  
+env:
   CARGO_TERM_COLOR: always
   CARGO_INCREMENTAL: 0
 
 jobs:
-  build-linux-release:
-    name: Build release for Linux
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: Checkout sources
-      uses: actions/checkout@v3
-    
-    - name: Build mwalib
-      uses: docker://mwatelescope/maturin:latest
-      with:
-        entrypoint: /bin/bash
-        args: .github/workflows/build.sh
-        
-    - name: Upload tarball
-      uses: actions/upload-artifact@v2
-      with:
-        name: linux.tar.gz
-        path: "*.tar.gz"
-        if-no-files-found: error
-
-  build-macos-release:
-    name: Build release for MacOS
-    runs-on: macos-latest
+  build-release:
+    name: Build release for ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macOS-latest, macOS-14]
 
     steps:
     - name: Checkout sources
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
+        fetch-tags: true
+
+    - name: (macos) install automake and autoconf
+      if: ${{ startsWith(matrix.os, 'macOS') }}
+      run: |
+        brew install automake autoconf
 
     - name: Install stable toolchain
       uses: actions-rs/toolchain@v1
       with:
         profile: minimal
         toolchain: stable
-        override: true        
-  
+        override: true
+
     - name: Add Python 3.8
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
+      continue-on-error: true
       with:
         python-version: "3.8"
-        architecture: "x64"
 
     - name: Add Python 3.9
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
+      continue-on-error: true
       with:
         python-version: "3.9"
-        architecture: "x64"
 
     - name: Add Python 3.10
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
+      continue-on-error: true
       with:
         python-version: "3.10"
-        architecture: "x64"
 
     - name: Add Python 3.11
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
+      continue-on-error: true
       with:
         python-version: "3.11"
-        architecture: "x64"
 
     - name: Add Python 3.12
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
+      continue-on-error: true
       with:
         python-version: "3.12"
-        architecture: "x64"
 
-    - name: Build mwalib
-      run: ./.github/workflows/build.sh
-      shell: bash   
+    - name: install cfitsio
+      env:
+        # TODO: CFITSIO_VERSION: 4.4.0
+        CFITSIO_VERSION: 3.49
+      run: |
+        cd /tmp
+        curl "https://heasarc.gsfc.nasa.gov/FTP/software/fitsio/c/cfitsio-${CFITSIO_VERSION}.tar.gz" -o cfitsio.tar.gz
+        tar -xf cfitsio.tar.gz
+        rm cfitsio.tar.gz
+        cd cfitsio-${CFITSIO_VERSION}
+        ./configure --prefix=/usr/local --enable-reentrant --disable-curl
+        sudo make shared
+        sudo make install
+        cd ..
+
+        if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+          sudo ldconfig
+        fi
+
+    - name: install maturin
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install maturin # [patchelf] ?
+
+    - name: build mwalib
+      run: |
+        export TAG="$(git describe --tags)"
+        echo "TAG=$TAG"
+
+        # determine which target cpus for rustc to build for from machine type
+        export ARCH="$(uname -m)"
+        case $ARCH in
+          x86_64) export TARGETS="x86-64 x86-64-v2 x86-64-v3" ;;
+          arm64) export TARGETS="apple-m1" ;;
+          *) echo "unknown arch (uname -m) $ARCH"; exit 1 ;;
+        esac
+
+        # determine which library file extensions to include in archive from kernel
+        export KERNEL="$(uname -s | tr '[:upper:]' '[:lower:]')"
+        case $KERNEL in
+          darwin*) export LIB_GLOB="{a,dylib}" ;;
+          linux*) export LIB_GLOB="{a,so}" ;;
+          *) echo "unknown kernel (uname -s) $KERNEL"; exit 1 ;;
+        esac
+
+        # determine which python versions are available
+        export PYTHONS=$(maturin list-python 2>&1 | grep CPython | cut -d' ' -f 4 | tr $'\n' ' ')
+
+        for TARGET in $TARGETS; do
+          echo "building target $TARGET"
+          export RUSTFLAGS="-C target-cpu=$TARGET"
+          # Build python first
+          MWALIB_LINK_STATIC_CFITSIO=1 maturin build --release --features python,cfitsio-static --strip -i $PYTHONS
+          # Build C objects
+          MWALIB_LINK_STATIC_CFITSIO=1 cargo build --release --features examples,cfitsio-static
+
+          # Create new release asset tarballs
+          eval mv target/wheels/*.whl target/release/libmwalib.${LIB_GLOB} include/mwalib.h .
+          eval tar -acvf mwalib-${TAG}-${KERNEL}-${TARGET}.tar.gz \
+              LICENSE LICENSE-cfitsio README.md CHANGELOG.md \
+              libmwalib.${LIB_GLOB} mwalib.h
+          eval tar -acvf mwalib-${TAG}-${KERNEL}-${TARGET}-python.tar.gz \
+              LICENSE LICENSE-cfitsio README.md CHANGELOG.md \
+              ./*.whl
+        done
 
     - name: Upload tarball
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
-        name: macos.tar.gz
+        name: ${{ matrix.os }}.tar.gz
         path: "*.tar.gz"
         if-no-files-found: error
 
   create-release:
     name: Create a new release
     runs-on: ubuntu-latest
-    needs: [build-linux-release, build-macos-release]
+    needs: [build-release]
     steps:
       - name: Download Linux artifact
         uses: actions/download-artifact@v2
         with:
-          name: linux.tar.gz
+          name: ubuntu-latest.tar.gz
 
-      - name: Download Linux artifact
+      - name: Download MacOS arm64 artifact
+        uses: actions/download-artifact@v2
+        with:
+          name: macOS-14.tar.gz
+
+      - name: Download MacOS x86_64 artifact
         uses: actions/download-artifact@v2
         with:
-          name: macos.tar.gz
+          name: macOS-latest.tar.gz
 
       - name: Provide new release asset
         uses: "marvinpinto/action-automatic-releases@latest"
@@ -111,4 +166,4 @@ jobs:
           repo_token: "${{ secrets.GITHUB_TOKEN }}"
           prerelease: false
           files: |
-            *.tar.gz
\ No newline at end of file
+            *.tar.gz