diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index 85b0fbb..08a899a 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -33,7 +33,7 @@ jobs:
           echo github.ref ${{ github.ref }}
 
   trexio_ubuntu:
-    name: x86 Ubuntu 20.04
+    name: x86 Ubuntu
     runs-on: ubuntu-22.04
     needs: get_commit_message
 
@@ -130,8 +130,12 @@ jobs:
         run: make maintainer-clean
 
   trexio_macos:
-    name: arm64 MacOS
-    runs-on: macos-14
+    name: x86 and arm64 MacOS
+    strategy:
+      # macos-13 = x86_64 ; macos-14 = aarch64
+      matrix:
+        os: [macos-13, macos-14]
+    runs-on: ${{ matrix.os }}
 
     steps:
       - uses: actions/checkout@e2f20e631ae6d7dd3b768f56a5d2af784dd54791
@@ -139,7 +143,7 @@ jobs:
       - name: install dependencies
         run: |
           brew install emacs
-          brew install hdf5
+          brew install hdf5@1.14
           brew install automake
           brew install libtool
           brew install swig
@@ -148,7 +152,7 @@ jobs:
       - name: configure with autotools
         run: |
           ./autogen.sh
-          ./configure FC=gfortran-12 --enable-silent-rules
+          ./configure CC=gcc-12 FC=gfortran-12 --enable-silent-rules
 
       - name: compile TREXIO
         run: make -j3
@@ -177,7 +181,7 @@ jobs:
         if: failure()
         uses: actions/upload-artifact@82c141cc518b40d92cc801eee768e7aafc9c2fa2
         with:
-          name: test-report-macos
+          name: test-report-${{ matrix.os }}
           path: test-suite.log
 
       - name: clean