diff --git a/.github/workflows/pr-tests.yml b/.github/workflows/pr-tests.yml
index 3a3844f..2e2120f 100644
--- a/.github/workflows/pr-tests.yml
+++ b/.github/workflows/pr-tests.yml
@@ -5,11 +5,18 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [ '3.8' ]
     steps:
-    - uses: actions/checkout@main
-    - uses: actions/setup-python@v2
-      with:
-        python-version: '3.8'
-    - run: pip install -r requirements.txt
-    - run: coverage run --source=. -m pytest -v tests && coverage report -m
-    - run: flake8
+      - uses: actions/checkout@main
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@main
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip setuptools wheel
+          python -m pip install tox tox-gh-actions
+      - name: Test with tox
+        run: tox
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..dc48699
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,20 @@
+[tox]
+envlist = py38
+
+[gh-actions]
+python =
+    3.8: py38
+
+[testenv]
+description = "Test environment"
+allowlist_externals =
+    sed
+passenv =
+    HOME
+deps =
+    -rrequirements.txt
+    pytest-cov
+commands =
+    coverage run --source=. -m pytest -v tests
+    coverage report -m
+    flake8