diff --git a/tests/pytest-ci.ini b/tests/pytest-ci.ini
index b20b9c4..0154d25 100644
--- a/tests/pytest-ci.ini
+++ b/tests/pytest-ci.ini
@@ -6,6 +6,7 @@ addopts = -v
     --sc4s_host=sc4s
     --maxfail=5
     --junitxml=/work/test-results/test.xml
+    -n=6
 junit_family=xunit1
 filterwarnings =
     ignore::DeprecationWarning