diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index 11edc61..70f0b28 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -113,7 +113,7 @@ jobs:
 
   trexio_macos:
     name: x86 MacOS 12
-    runs-on: macos-11
+    runs-on: macos-12
 
     steps:
       - uses: actions/checkout@e2f20e631ae6d7dd3b768f56a5d2af784dd54791
@@ -128,7 +128,7 @@ jobs:
       - name: configure with autotools
         run: |
           ./autogen.sh
-          ./configure FC=gfortran-11 --enable-silent-rules
+          ./configure FC=gfortran-12 --enable-silent-rules
 
       - name: compile TREXIO
         run: make -j3
diff --git a/.github/workflows/build-wheels.yml b/.github/workflows/build-wheels.yml
index 4a8a178..adddb7c 100644
--- a/.github/workflows/build-wheels.yml
+++ b/.github/workflows/build-wheels.yml
@@ -103,12 +103,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-11, macos-12]
+        os: [macos-12]
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
-# TODO: normally, one could include macos-11 and the OS list above but the produced wheels receive an error upon installation:
-# ERROR: trexio-1.1.0-cp39-cp39-macosx_11_0_x86_64.whl is not a supported wheel on this platform.
-# This happens even with the MACOSX_DEPLOYMENT_TARGET trick. Perhaps it can be solved by configuring the build system
-# to produce the wheels for MacOS-11 from the very beginning
+
     steps:
       - uses: actions/checkout@v3
 
@@ -123,11 +120,6 @@ jobs:
       - name: Install HDF5
         run: brew install hdf5@1.12
 
-      # This step is needed to produce wheels with the correct platform tag for MacOS-11 (Big Sur)
-      #- name: Set MACOSX_DEPLOYMENT_TARGET environment variable
-      #  if: ${{ matrix.os == 'macos-11' }}
-      #  run: echo "MACOSX_DEPLOYMENT_TARGET=11.0" >> $GITHUB_ENV
-
       - name: Compute the PYTREXIO_VERSION environment variable
         run: echo "PYTREXIO_VERSION=$(grep __version__ python/pytrexio/_version.py | cut -d\  -f3 | tr -d '"')" >> $GITHUB_ENV