diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 2ea6ee1..d33a9a4 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -36,5 +36,7 @@ jobs:
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Test with pytest
       run: |
+        python -m venv .
+        . bin/activate
         maturin develop
         pytest