diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 70b2482d..dfd82e51 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -7,32 +7,43 @@ jobs:
 
     runs-on: ubuntu-latest
     strategy:
-      max-parallel: 4
       matrix:
         python-version: ["3.8", "3.9", "3.10"]
+        django-version: ["32","4"]
     steps:
     - uses: actions/checkout@v3
+
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
+
+    - uses: actions/cache@v2
+      with:
+        path: ~/.cache/pip
+        key: ${{ hashFiles('requirements.txt') }}-${{ hashFiles('requirements-testing.txt')}}-${{ hashFiles('tox.ini') }}-${{ matrix.python-version }}-${{ matrix.django-version }}
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -r requirements.txt -r requirements-testing.txt -c constraints-Django32.txt
+        pip install -r requirements.txt -r requirements-testing.txt -c constraints-Django${{ matrix.django-version }}.txt
+
     - name: Format style check with 'autopep8'
       run: |
         pip install autopep8
         autopep8 --exit-code --global-config .flake8 helpdesk
-    - name: Lint with flake8
+
+    - name: Lint with 'flake8'
       run: |
         pip install flake8
         # stop the build if there are Python syntax errors or undefined names
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 helpdesk --count --show-source --statistics --exit-zero --max-complexity=20
+
     - name: Sort style check with 'isort'
       run: |
         isort --line-length=120 --src helpdesk . --check
+
     - name: Test with pytest
       run: |
         pip install pytest
diff --git a/requirements.txt b/requirements.txt
index 7cc1c79c..f49a88f4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Django>=2.2
+Django>=3.2
 django-bootstrap4-form
 celery
 email-reply-parser