diff --git a/tox.ini b/tox.ini
index 364e582..7da4eaa 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,13 +11,12 @@ usedevelop = True
 changedir = tests
 deps =
     -r{toxinidir}/tests/requirements.txt
-setenv =
-    py38: PYTEST_ADDOPTS = -p no:xdist
 commands =
     playwright install chromium
     playwright install-deps chromium firefox
     camoufox fetch --browserforge
-    pytest --cov=scrapling --cov-report=xml -n auto
+    py38: pytest --cov=scrapling --cov-report=xml
+    py{39,310,311,312,313}: pytest --cov=scrapling --cov-report=xml -n auto
 
 [testenv:pre-commit]
 basepython = python3