diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index c9f5242..75a8a54 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -20,13 +20,15 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
-      - name: Install dependencies
+      - name: Install virtual env and dependencies
         run: |
           python -m pip install --upgrade pip
+          python -m venv .venv
+          source ./.venv/bin/activate
           pip install -r requirements.txt
       - name: Type checks
         run: |
-          mypy *.py --check-untyped-defs
+          python -m mypy *.py --check-untyped-defs
       - name: Tests
         run: |
-          unittest discover .
+          python -m unittest discover .