diff --git a/.github/workflows/scheduled_tests.yaml b/.github/workflows/scheduled_tests.yaml
index 83a0d986b..b7aae94ee 100644
--- a/.github/workflows/scheduled_tests.yaml
+++ b/.github/workflows/scheduled_tests.yaml
@@ -11,20 +11,36 @@ on:
     - cron: '0 9 * * *'
 
 jobs:
+  # Dynamically create a matrix of OS, Python, and PyBaMM versions
+  create_pybamm_matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      pybop_matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - name: Check out PyBOP repository
+        uses: actions/checkout@v4
+        with:
+          path: .github/workflows/build_matrix.sh
+
+      - name: Dynamically create GitHub Actions matrix
+        id: set-matrix
+        run: |
+          bash .github/workflows/build_matrix.sh >> matrix_json
+          echo "matrix=$(cat matrix_json)" >> "$GITHUB_OUTPUT"
+
   build:
+    needs: [create_pybamm_matrix]
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+      matrix: ${{fromJson(needs.create_pybamm_matrix.outputs.pybop_matrix)}}
 
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python ${{ matrix.python_version }}
         uses: actions/setup-python@v4
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: ${{ matrix.python_version }}
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip nox
@@ -33,7 +49,7 @@ jobs:
           python -m nox -s unit
           python -m nox -s notebooks
 
-  #M-series Mac Mini
+  # M-series Mac Mini
   build-apple-mseries:
     runs-on: [self-hosted, macOS, ARM64]
     env:
@@ -41,7 +57,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10"]
+        python_version: ["3.10"]
 
     steps:
       - uses: actions/checkout@v4
@@ -49,14 +65,14 @@ jobs:
         shell: bash
         run: |
           eval "$(pyenv init -)"
-          pyenv install ${{ matrix.python-version }} -s
-          pyenv virtualenv ${{ matrix.python-version }} pybop-${{ matrix.python-version }}
+          pyenv install ${{ matrix.python_version }} -s
+          pyenv virtualenv ${{ matrix.python_version }} pybop-${{ matrix.python_version }}
 
       - name: Install dependencies & run unit tests
         shell: bash
         run: |
           eval "$(pyenv init -)"
-          pyenv activate pybop-${{ matrix.python-version }}
+          pyenv activate pybop-${{ matrix.python_version }}
           python -m pip install --upgrade pip wheel setuptools nox
           python -m nox -s unit
           python -m nox -s notebooks
@@ -66,5 +82,5 @@ jobs:
         shell: bash
         run: |
           eval "$(pyenv init -)"
-          pyenv activate pybop-${{ matrix.python-version }}
+          pyenv activate pybop-${{ matrix.python_version }}
           pyenv uninstall -f $( python --version )