diff --git a/lib/matplotlib/tests/test_basic.py b/lib/matplotlib/tests/test_basic.py
index 3f744b999743..d5f23ba868aa 100644
--- a/lib/matplotlib/tests/test_basic.py
+++ b/lib/matplotlib/tests/test_basic.py
@@ -25,6 +25,7 @@ def test_override_builtins():
         '__doc__',
         '__package__',
         '__loader__',
+        '__spec__',
         'any',
         'all',
         'sum'