diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 3406027..0a8ece8 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -34,9 +34,22 @@ jobs:
       env:
         DEBIAN_FRONTEND: noninteractive
 
-    - name: Install cfitsio
-      run: ./.github/workflows/make_cfitsio.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 ..
+        
+        sudo ldconfig        
     
     - name: Install stable toolchain
       uses: actions-rs/toolchain@v1
@@ -49,10 +62,10 @@ jobs:
     - name: Install cargo-llvm-cov
       run: cargo install cargo-llvm-cov
     
-    - name: Set up Python 3.11
+    - name: Set up Python 3.12
       uses: actions/setup-python@v4
       with:
-        python-version: "3.11"
+        python-version: "3.12"
 
     - name: Generate test lcov coverage into coverage/ dir
       run: |
diff --git a/.github/workflows/releases.yml b/.github/workflows/releases.yml
index f6fec18..303444e 100644
--- a/.github/workflows/releases.yml
+++ b/.github/workflows/releases.yml
@@ -89,7 +89,7 @@ jobs:
     - name: install maturin
       run: |
         python -m pip install --upgrade pip
-        python -m pip install maturin # [patchelf] ?
+        python -m pip install maturin
 
     - name: build mwalib
       run: |
diff --git a/.github/workflows/run_python_tests.yml b/.github/workflows/run_python_tests.yml
index 41d10d4..27aee90 100644
--- a/.github/workflows/run_python_tests.yml
+++ b/.github/workflows/run_python_tests.yml
@@ -19,16 +19,17 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest, macOS-14]
         python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
     steps:    
     - name: Checkout sources
-      uses: actions/checkout@v3   
-
-    - name: Install cfitsio
-      run: ./.github/workflows/make_cfitsio.sh
-      shell: bash
+      uses: actions/checkout@v4
 
+    - 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:
@@ -36,6 +37,25 @@ jobs:
           toolchain: stable
           override: true
     
+    - 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: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
@@ -44,18 +64,15 @@ jobs:
     - name: Run rust tests to generate test data
       run: cargo test --features=cfitsio-static
 
-    - name: Run pytests
+    - name: Setup python environment and run pytests
       run: |
-          pip3 install --upgrade pip
-          python3 -m venv env
-          source env/bin/activate
-
-          pip3 install maturin==1.3.2
-          if [[ "$OSTYPE" == "darwin"* ]]; then
-            brew install automake
-          fi
+        pip3 install --upgrade pip
+        python3 -m venv env
+        source env/bin/activate
+        pip3 install --upgrade pip        
+        pip3 install maturin==1.3.2        
 
-          maturin develop --features=python,cfitsio-static --strip
+        maturin develop --features=python,cfitsio-static --strip
 
-          pip install pytest          
-          pytest
+        pip3 install pytest          
+        pytest
diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index 0ff0c53..5f8bf00 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -19,14 +19,15 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]                
+        os: [ubuntu-latest, macos-latest, macOS-14]                
     steps:
     - name: Checkout sources
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
-    - name: Install cfitsio
-      run: ./.github/workflows/make_cfitsio.sh
-      shell: bash
+    - 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
@@ -34,13 +35,31 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
+    
+    - 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: Run tests
+    - name: Run tests on latest stable rust
       run: cargo test --release --features cfitsio-static,examples
 
     - name: Minimum-specified Rust version works
       run: |
-          MIN_RUST=$(grep -m1 "rust-version" Cargo.toml | sed 's|.*\"\(.*\)\"|\1|')
-          ~/.cargo/bin/rustup install $MIN_RUST --profile minimal
-          cargo +${MIN_RUST} test
-          cargo +${MIN_RUST} test --features cfitsio-static,examples
\ No newline at end of file
+        MIN_RUST=$(grep -m1 "rust-version" Cargo.toml | sed 's|.*\"\(.*\)\"|\1|')
+        ~/.cargo/bin/rustup install $MIN_RUST --profile minimal          
+        cargo +${MIN_RUST} test --features cfitsio-static,examples
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e552164..d993553 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ Changes in each release are listed below.
 ## 1.3.0 12-Apr-2024
 
 * Added 'EDA2' and 'SHAO' as new valid `ReceiverType`s to `Rfinput` struct.
-* Release now include MacOS Arm architecture binaries.
+* Release and tests now include MacOS 14 Arm64 architecture binaries.
 
 ## 1.2.3 12-Mar-2024