diff --git a/testing/python/metafunc.py b/testing/python/metafunc.py
index 1de38e3fb..bd38c670b 100644
--- a/testing/python/metafunc.py
+++ b/testing/python/metafunc.py
@@ -188,6 +188,7 @@ class TestMetafunc(object):
         assert metafunc._calls[3].id == "x1-b"
 
     @hypothesis.given(strategies.text() | strategies.binary())
+    @hypothesis.settings(deadline=400.0)  # very close to std deadline and CI boxes are not reliable in CPU power
     def test_idval_hypothesis(self, value):
         from _pytest.python import _idval
         escaped = _idval(value, 'a', 6, None)