diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f5e6bf08c..3a1eca7a7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -126,7 +126,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ macos-latest ]
+        os: [ "macos-latest", "macos-13" ]
         python-version: ["3.9", "3.10", "3.11"]
 
     steps:
@@ -143,14 +143,13 @@ jobs:
       id: cache
       with:
         path: ~/dependencies/
-        key: ${{ runner.os }}-dependencies
+        key: ${{ matrix.os }}-dependencies
 
     - name: pip cache (macOS)
       uses: actions/cache@v3
-      if: runner.os == 'macOS'
       with:
         path: ~/Library/Caches/pip
-        key: test-${{ matrix.os }}-${{ matrix.python-version }}-pip
+        key: ${{ matrix.os }}-${{ matrix.python-version }}-pip
 
     - name: TA binary *nix
       if: steps.cache.outputs.cache-hit != 'true'
@@ -158,7 +157,6 @@ jobs:
         cd build_helpers && ./install_ta-lib.sh ${HOME}/dependencies/; cd ..
 
     - name: Installation - macOS
-      if: runner.os == 'macOS'
       run: |
         # brew update
         # TODO: Should be the brew upgrade
@@ -175,7 +173,7 @@ jobs:
         rm /usr/local/bin/python3-config || true
         rm /usr/local/bin/python3.11-config || true
 
-        brew install hdf5 c-blosc
+        brew install hdf5 c-blosc libomp
         python -m pip install --upgrade pip wheel
         export LD_LIBRARY_PATH=${HOME}/dependencies/lib:$LD_LIBRARY_PATH
         export TA_LIBRARY_PATH=${HOME}/dependencies/lib