diff --git a/{{cookiecutter.project_name}}/noxfile.py b/{{cookiecutter.project_name}}/noxfile.py
index ed5ebb940..937886e94 100644
--- a/{{cookiecutter.project_name}}/noxfile.py
+++ b/{{cookiecutter.project_name}}/noxfile.py
@@ -163,7 +163,7 @@ def tests(session: Session) -> None:
     session.install(".")
     session.install("coverage[toml]", "pytest", "pygments")
     try:
-        session.run("coverage", "run", "--parallel", "-m", "pytest", *session.posargs)
+        session.run("coverage", "run", "--parallel-mode", "-m", "pytest", *session.posargs)
     finally:
         if session.interactive:
             session.notify("coverage", posargs=[])