diff --git a/pytest.ini b/pytest.ini
index 8ed1116d2..409f593bf 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,4 +1,4 @@
 [pytest]
-addopts = -ra --numprocesses auto --import-mode=importlib
+addopts = -ra --numprocesses 1 --import-mode=importlib
 timeout = 90
 timeout_func_only = true