diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 50efdffe..a470419d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,10 +26,10 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - {os: ubuntu-22.04, cc: gcc-12, cxx: g++-12, doc: OFF, cov: ON}
-          - {os: ubuntu-22.04, cc: clang-15, cxx: clang++-15, doc: ON, cov: OFF}
-          - {os: macos-12, cc: gcc-12, cxx: g++-12, doc: OFF, cov: OFF}
-          - {os: macos-12, cc: clang, cxx: clang++, doc: OFF, cov: OFF}
+          - {os: ubuntu-24.04, cc: gcc, cxx: g++, doc: OFF, cov: ON}
+          - {os: ubuntu-24.04, cc: clang, cxx: clang++, doc: ON, cov: OFF}
+          - {os: macos-14, cc: gcc-14, cxx: g++-14, doc: OFF, cov: OFF}
+          - {os: macos-14, cc: clang, cxx: clang++, doc: OFF, cov: OFF}
 
     runs-on: ${{ matrix.os }}
 
@@ -44,22 +44,21 @@ jobs:
           ccache-${{ matrix.os }}-${{ matrix.cc }}-
 
     - name: Install ubuntu dependencies
-      if: matrix.os == 'ubuntu-22.04'
+      if: ${{ contains(matrix.os, 'ubuntu') }}
       run: >
         sudo apt-get update &&
         sudo apt-get install lsb-release wget software-properties-common &&
-        wget -O /tmp/llvm.sh https://apt.llvm.org/llvm.sh && sudo chmod +x /tmp/llvm.sh && sudo /tmp/llvm.sh 15 &&
         sudo apt-get install
         ccache
-        clang-15
-        g++-12
+        clang
+        g++
         gfortran
         hdf5-tools
         libblas-dev
-        libclang-15-dev
-        libc++-15-dev
-        libc++abi-15-dev
-        libomp-15-dev
+        libclang-dev
+        libc++-dev
+        libc++abi-dev
+        libomp-dev
         libfftw3-dev
         libgfortran5
         libgmp-dev
@@ -69,7 +68,7 @@ jobs:
         openmpi-bin
         openmpi-common
         openmpi-doc
-        python3-clang-15
+        python3-clang
         python3-dev
         python3-mako
         python3-mpi4py
@@ -79,12 +78,7 @@ jobs:
         python3-sphinx
         python3-nbsphinx
 
-    - name: set up compilers
-      run: |
-        echo "CC=${{ matrix.cc }}" >> $GITHUB_ENV
-        echo "CXX=${{ matrix.cxx }}" >> $GITHUB_ENV
-
-    - name: set up virtualenv
+    - name: Set up virtualenv
       run: |
         mkdir $HOME/.venv
         python3 -m venv --system-site-packages $HOME/.venv/my_python
@@ -93,33 +87,41 @@ jobs:
         echo "PATH=$PATH" >> $GITHUB_ENV
 
     - name: Install homebrew dependencies
-      if: matrix.os == 'macos-12'
+      if: ${{ contains(matrix.os, 'macos') }}
       run: |
-        brew install ccache gcc@12 llvm hdf5 open-mpi openblas
+        brew update
+        brew install ccache gcc llvm hdf5 open-mpi openblas
         pip install mako numpy scipy mpi4py
         pip install -r requirements.txt
+        echo "PATH=$(brew --prefix llvm)/bin:$(brew --prefix gcc)/bin:$PATH" >> $GITHUB_ENV
 
     - name: Build doxygen
       if: matrix.doc == 'ON'
+      env:
+        CC: ${{ matrix.cc }}
+        CXX: ${{ matrix.cxx }}
       run: |
         cd $HOME
         git clone https://github.com/doxygen/doxygen.git
         cd doxygen
-        git checkout 0a7e79813
+        git checkout Release_1_12_0
         mkdir build
         cd build
-        cmake .. -Duse_libclang=ON -Dstatic_libclang=ON -Duse_libc++=OFF -DLLVM_ROOT=/usr/lib/llvm-15/lib/cmake/llvm -DClang_ROOT=/usr/lib/llvm-15/lib/cmake/clang
+        cmake .. -Duse_libclang=ON -Duse_libc++=OFF
         make -j 2 VERBOSE=1
         cp bin/doxygen /usr/local/bin/doxygen
 
-    - name: set clang environment
+    - name: Add clang CXXFLAGS
       if: ${{ contains(matrix.cxx, 'clang') }}
       run: |
         echo "CXXFLAGS=-stdlib=libc++" >> $GITHUB_ENV
-        echo "PATH=/usr/local/opt/llvm/bin:$PATH" >> $GITHUB_ENV
-        echo "LIBRARY_PATH=/usr/local/opt/llvm/lib" >> $GITHUB_ENV
 
-    - name: set up test coverage
+    - name: Add clang LDFLAGS for macos to link against brew's libc++
+      if: ${{ contains(matrix.os, 'macos') && contains(matrix.cxx, 'clang') }}
+      run: |
+        echo 'LDFLAGS="-L$(brew --prefix llvm)/lib/c++ -L$(brew --prefix llvm)/lib -lunwind"' >> $GITHUB_ENV
+
+    - name: Set up test coverage
       if: matrix.cov == 'ON'
       run: |
         pip install gcovr
@@ -135,13 +137,15 @@ jobs:
         mv tmp_basic_array_view.hpp basic_array_view.hpp
 
     - name: Build nda
+      env:
+        CC: ${{ matrix.cc }}
+        CXX: ${{ matrix.cxx }}
       run: |
         mkdir build && cd build && cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/install -DPythonSupport=ON -DBuild_Documentation=${{ matrix.doc }} -DCMAKE_BUILD_TYPE=${{ matrix.cov == 'ON' && 'Debug' || 'Release' }}
         make -j2 || make -j1 VERBOSE=1
 
     - name: Test nda
       env:
-        DYLD_FALLBACK_LIBRARY_PATH: /usr/local/opt/llvm/lib
         OPENBLAS_NUM_THREADS: "1"
       run: |
         cd build
@@ -152,7 +156,7 @@ jobs:
       run: |
         cd build
         mkdir coverage
-        gcovr --gcov-executable "gcov-12" --root ../c++ --html-details -o coverage/coverage.html .
+        gcovr --gcov-executable "gcov" --root ../c++ --html-details -o coverage/coverage.html .
 
     - name: ccache statistics
       if: always()