diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 74219bf..95250f3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: ['3.10', '3.11']
+        python-version: ['3.11', '3.12']
 
     env:
       USE_TRILINOS: 1
@@ -28,9 +28,8 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip setuptools wheel
-          python -m pip install numpy 'cython<3.0'
-          python -m pip install -r requirements.txt
-          python setup.py develop
+          pip install --upgrade pip setuptools wheel
+          pip install "mpi4py<4.0" 
+          pip install -e .[tests] -v --no-build-isolation
       - name: Run tests
         run: pytest -v pyzoltan