diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 496a58a4..4fed44a2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -37,11 +37,15 @@ jobs:
 
       - uses: actions/upload-artifact@v4
         with:
+          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
           path: wheelhouse/*.whl
 
   build_wheels_macos:
     name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        shell: bash -el {0}
     strategy:
       fail-fast: false
       matrix:
@@ -56,6 +60,11 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+
+      - uses: conda-incubator/setup-miniconda@v3
+        with:
+          auto-update-conda: true
+
       - name: Setup openmp for macOS
         run: |
           # Make sure to use a libomp version binary compatible with the oldest
@@ -65,11 +74,13 @@ jobs:
           # supported macos version is: High Sierra / 10.13. When upgrading
           # this, be sure to update the MACOSX_DEPLOYMENT_TARGET environment
           # variable accordingly. Note that Darwin_17 == High Sierra / 10.13.
-          if [[ "$CIBW_ARCHS_MACOS" == arm64 ]]; then
-              # arm64 builds must cross compile because the CI instance is x86
-              # This turns off the computation of the test program in
-              # tools/build_helpers.py
-              echo "PYTHON_CROSSENV=1" >> "$GITHUB_ENV"
+          if [[ "$CIBW_BUILD" == *-macosx_arm64 ]]; then
+              if [[ $(uname -m) == "x86_64" ]]; then
+                # arm64 builds must cross compile because the CI instance is x86
+                # This turns off the computation of the test program in
+                # tools/build_helpers.py
+                echo "PYTHON_CROSSENV=1" >> "$GITHUB_ENV"
+              fi
 
               # SciPy requires 12.0 on arm to prevent kernel panics
               # https://github.com/scipy/scipy/issues/14688
@@ -84,18 +95,22 @@ jobs:
           # use conda to install llvm-openmp
           # Note that we do NOT activate the conda environment, we just add the
           # library install path to CFLAGS/CXXFLAGS/LDFLAGS below.
-          sudo conda create -n build $OPENMP_URL
-          PREFIX="/usr/local/miniconda/envs/build"
-          echo "CC=/usr/bin/clang" >> "$GITHUB_ENV"
-          echo "CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"" >> "$GITHUB_ENV"
-          echo "CFLAGS="$CFLAGS -Wno-implicit-function-declaration -I$PREFIX/include"" >> "$GITHUB_ENV"
-          echo "LDFLAGS="$LDFLAGS -Wl,-S -Wl,-rpath,$PREFIX/lib -L$PREFIX/lib -lomp"" >> "$GITHUB_ENV"
+          conda create -n build $OPENMP_URL
+          PREFIX="$HOME/miniconda/envs/build"
+
+          export CC=/usr/bin/clang
+          export CXX=/usr/bin/clang++
+          export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
+          export CFLAGS="$CFLAGS -I$PREFIX/include"
+          export CXXFLAGS="$CXXFLAGS -I$PREFIX/include"
+          export LDFLAGS="$LDFLAGS -Wl,-rpath,$PREFIX/lib -L$PREFIX/lib -lomp"
 
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.22.0
 
       - uses: actions/upload-artifact@v4
         with:
+          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
           path: wheelhouse/*.whl
 
   build_sdist:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3a1c827d..ac54086c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,11 +15,9 @@ jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
-      #max-parallel: 10
       matrix:
         config:
           - python: "3.10"
-          - python: "3.11"
           - python: "3.12"
 
         split: [1, 2, 3, 4, 5, 6, 7, 8]
@@ -49,10 +47,45 @@ jobs:
 
       - name: Test with pytest
         run: |
-          pytest --splits 8 --group ${{ matrix.split }} --durations-path tests/.test_durations tests
+          pytest --cov=smol --splits 8 --group ${{ matrix.split }} --durations-path tests/.test_durations tests
 
-      - if: ${{ matrix.config.python == '3.11' && github.event_name == 'push' }}
-        name: codacy-coverage-reporter
+      - name: Upload coverage
+        if: ${{ matrix.config.python == '3.12' && github.event_name == 'push' }}
+        uses: actions/upload-artifact@v4
+        with:
+          include-hidden-files: true
+          name: .coverage${{ matrix.split }}
+          path: .coverage
+          if-no-files-found: error
+
+  coverage:
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.12
+
+      - name: Install coverage
+        run: |
+          python -m pip install --upgrade pip
+          pip install coverage
+
+      - name: Download all artifacts
+        # Downloads coverage1, coverage2, etc.
+        uses: actions/download-artifact@v4
+        with:
+          pattern: .coverage*
+          merge-multiple: true
+          path: coverage
+      - name: Run coverage
+        run: |
+          coverage combine coverage/.coverage*
+          coverage xml
+        # coverage report --fail-under=85
+      - name: codacy-coverage-reporter
         uses: codacy/codacy-coverage-reporter-action@v1
         with:
             project-token: ${{ secrets.CODACY_PROJECT_TOKEN }}