diff --git a/setup-action/action.yml b/setup-action/action.yml
index da64597..a1c8a3c 100644
--- a/setup-action/action.yml
+++ b/setup-action/action.yml
@@ -30,7 +30,7 @@ runs:
     shell: bash
 
   - name: Install pytest
-    run: pip install pytest
+    run: pip install pytest pytest-xdist
     shell: bash
 
   - name: Install niar
diff --git a/template/.github/workflows/unit-tests.yml b/template/.github/workflows/unit-tests.yml
index f8c4300..8d1b75e 100644
--- a/template/.github/workflows/unit-tests.yml
+++ b/template/.github/workflows/unit-tests.yml
@@ -19,4 +19,4 @@ jobs:
     - uses: kivikakk/niar/setup-action@main
 
     - name: Run tests
-      run: pytest tests
+      run: pytest -n auto tests