diff --git a/.github/workflows/quemb_unittest.yml b/.github/workflows/quemb_unittest.yml
index 7925143..fcc0f83 100644
--- a/.github/workflows/quemb_unittest.yml
+++ b/.github/workflows/quemb_unittest.yml
@@ -1,4 +1,4 @@
-# Author(s): Minsik Cho
+# Author(s): Minsik Cho, Shaun Weatherly
 # Based on: https://docs.github.com/en/actions/use-cases-and-examples/building-and-testing/building-and-testing-python
 
 name: Run Unit Tests for quemb
@@ -15,23 +15,45 @@ permissions:
 jobs:
   build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.9", "3.12"]
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.9
+
+    - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
-        python-version: "3.9"
+        python-version: ${{ matrix.python-version }}
+
     - uses: actions/cache@v4
       with:
         path: ${{ env.pythonLocation }}
         key: ${{ env.pythonLocation }}-${{ hashFiles('setup.py') }}-${{ hashFiles('dev-requirements.txt') }}
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install --upgrade --upgrade-strategy eager pytest
         if [ -f requirements.txt ]; then pip install --upgrade --upgrade-strategy eager -r requirements.txt; fi
         echo ${{ github.workspace }} > $(python -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")/quemb.pth
+
     - name: Test with pytest
       run: |
-        pytest
+        cd tests
+        pytest --doctest-modules --junitxml=junit/quemb-test-results_${{ matrix.python-version }}.xml
+      if: always()
+
+    - name: Upload pytest junit results
+      uses: actions/upload-artifact@v4
+      with:
+        name: quemb-test-results_${{ matrix.python-version }}
+        path: tests/junit/quemb-test-results_${{ matrix.python-version }}.xml
+
+    #- name: Upload pytest html results
+    #  uses: actions/upload-artifact@v4
+    #  with:
+    #    name: quemb-tests-coverage_${{ matrix.python-version }}
+    #    path: tests/htmlcov
+    #  if: always()