diff --git a/tox.ini b/tox.ini
index a0d2aa367..015b6d3e7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -63,7 +63,7 @@ envdir = {toxworkdir}/py3
 commands =
     pip install urllib3<2
     pip install pylxd
-    python -m pytest --tb native -ra -v -n auto -k 'integration' -m 'not serial' {posargs}
+    python -m pytest --tb native -ra -v -n 1 -k 'integration' -m 'not serial' {posargs}
 
 [testenv:unit]
 envdir = {toxworkdir}/py3