diff --git a/pytest.spec b/pytest.spec
index 0f350c8..f619658 100644
--- a/pytest.spec
+++ b/pytest.spec
@@ -135,8 +135,9 @@ find %{buildroot}%{python3_sitelib} \
 %if %{with tests}
 %check
 %global __pytest %{buildroot}%{_bindir}/pytest
+# optional_tests deps contain pytest-xdist, so we can use it to run tests faster
 # test_errors_in_xfail_skip_expressions: https://github.com/pytest-dev/pytest/issues/9413
-%pytest testing %{?with_timeout:--timeout=30} -rs -k "not test_errors_in_xfail_skip_expressions"
+%pytest testing %{?with_timeout:--timeout=30} %{?with_optional_tests:-n auto} -rs -k "not test_errors_in_xfail_skip_expressions"
 %endif