diff --git a/.github/workflows/package_and_publish.yml b/.github/workflows/package_and_publish.yml
index bcd4c11..3c75390 100644
--- a/.github/workflows/package_and_publish.yml
+++ b/.github/workflows/package_and_publish.yml
@@ -20,7 +20,7 @@ jobs:
         - uses: actions/setup-python@v4
           name: Install Python
           with:
-            python-version: '3.10'
+            python-version: '3.13'
 
         - name: Setup conda (windows-latest)
           if: matrix.os == 'windows-latest'
@@ -32,9 +32,20 @@ jobs:
             echo "LIBRARY_DIRS=C:\Miniconda\Library\lib;C:\Miniconda\Library\bin" >> $env:GITHUB_ENV
             echo "INCLUDE_DIRS=C:\Miniconda\Library\include" >> $env:GITHUB_ENV
 
+        - name: Setup libjpeg paths (macos-latest)
+          if: matrix.os == 'macos-latest'
+          run: |
+            echo 'LIBRARY_DIRS=/opt/homebrew/opt/jpeg/lib' >> $GITHUB_ENV
+            echo 'INCLUDE_DIRS=/opt/homebrew/opt/jpeg/include' >> $GITHUB_ENV
+
+        # See https://github.com/pypa/cibuildwheel/issues/563#issuecomment-2257729524
+        - name: Set macOS deployment target
+          if: matrix.os == 'macos-latest'
+          run: echo "MACOSX_DEPLOYMENT_TARGET=$(sw_vers -productVersion | cut -d '.' -f 1-2)" >> $GITHUB_ENV
+
         - name: Install cibuildwheel
           run: |
-            python -m pip install cibuildwheel==2.13.1
+            python -m pip install cibuildwheel==2.22.0
         - name: Build wheels
           run: |
             python -m cibuildwheel --output-dir dist
@@ -46,12 +57,16 @@ jobs:
             CIBW_ARCHS_WINDOWS: 'AMD64'  # restrict to 64bit builds
             # (mac-os) Install hdf4 from sources
             CIBW_BEFORE_ALL_MACOS: >
-              brew install ninja &&
+              brew install ninja jpeg &&
+              export PATH="/opt/homebrew/opt/jpeg/bin:$PATH" &&
+              export LDFLAGS="-L/opt/homebrew/opt/jpeg/lib" &&
+              export CPPFLAGS="-I/opt/homebrew/opt/jpeg/include" &&
+              export PKG_CONFIG_PATH="/opt/homebrew/opt/jpeg/lib/pkgconfig" &&
               cd /tmp &&
-              git clone --depth 1 --branch hdf-4_2_16 https://github.com/HDFGroup/hdf4.git &&
+              git clone --depth 1 --branch hdf4.3.0 https://github.com/HDFGroup/hdf4.git &&
               mkdir build && cd build &&
               ../hdf4/configure --enable-hdf4-xdr --enable-shared --disable-static --disable-fortran --disable-netcdf --enable-production --with-zlib --prefix=/usr/local &&
-              make install
+              sudo make install
             CIBW_BEFORE_ALL_WINDOWS: >
               conda config --set always_yes yes --set changeps1 no --set auto_update_conda no --set safety_checks disabled &&
               conda install -q hdf4
@@ -59,9 +74,9 @@ jobs:
           run: |
             mkdir wheelhouse
             cp dist/*.whl wheelhouse
-        - uses: actions/upload-artifact@v2
+        - uses: actions/upload-artifact@v4
           with:
-            name: wheelhouse
+            name: wheelhouse-${{ matrix.os }}
             path: wheelhouse
 
     publish:
@@ -82,9 +97,9 @@ jobs:
               python -m pip install build
               python -m build --sdist -o wheelhouse
 
-          - uses: actions/upload-artifact@v2
+          - uses: actions/upload-artifact@v4
             with:
-              name: wheelhouse
+              name: wheelhouse-sdist
               path: wheelhouse
 
           - name: Publish SDIST to PyPI  # there are some problems if sdist is not pushed first
@@ -96,10 +111,11 @@ jobs:
               packages_dir: wheelhouse/
 
           - name: Download all the wheels
-            uses: actions/download-artifact@v2
+            uses: actions/download-artifact@v4
             with:
-              name: wheelhouse
               path: ./wheelhouse/
+              pattern: wheelhouse-*
+              merge-multiple: true
 
           - name: Publish a Python distribution to Test PyPI
             uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e3b21de..dc2b69f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
           fail-fast: true
           matrix:
             os: [ubuntu-latest, macos-latest, windows-latest]
-            python: ["3.8", "3.9", "3.10", "3.x"]
+            python: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
         steps:
         - uses: actions/checkout@v3
@@ -28,12 +28,19 @@ jobs:
         - name: Install libhdf4-dev (macos-latest)
           if: matrix.os == 'macos-latest'
           run: |
-            brew install ninja &&
+            brew install ninja jpeg
+            export PATH="/opt/homebrew/opt/jpeg/bin:$PATH"
+            export LDFLAGS="-L/opt/homebrew/opt/jpeg/lib"
+            export CPPFLAGS="-I/opt/homebrew/opt/jpeg/include"
+            export PKG_CONFIG_PATH="/opt/homebrew/opt/jpeg/lib/pkgconfig"
+            echo 'LIBRARY_DIRS=/opt/homebrew/opt/jpeg/lib' >> $GITHUB_ENV
+            echo 'INCLUDE_DIRS=/opt/homebrew/opt/jpeg/include' >> $GITHUB_ENV
+
             cd /tmp &&
-            git clone --depth 1 --branch hdf-4_2_16 https://github.com/HDFGroup/hdf4.git &&
+            git clone --depth 1 --branch hdf4.3.0 https://github.com/HDFGroup/hdf4.git &&
             mkdir build && cd build &&
             ../hdf4/configure --enable-hdf4-xdr --enable-shared --disable-static --disable-fortran --disable-netcdf --enable-java --enable-production --with-zlib --prefix=/usr/local &&
-            make install
+            sudo make install
 
         - name: Install libhdf4-dev (ubuntu-latest)
           if: matrix.os == 'ubuntu-latest'
@@ -53,6 +60,8 @@ jobs:
 
         - name: Install requirements
           run: |
+            echo LIBRARY_DIRS is $LIBRARY_DIRS
+            echo INCLUDE_DIRS is $INCLUDE_DIRS
             python -m pip install -U pip
             python -m pip install numpy pytest