diff --git a/autograd/numpy/numpy_boxes.py b/autograd/numpy/numpy_boxes.py
index 937037a4..b9c73963 100644
--- a/autograd/numpy/numpy_boxes.py
+++ b/autograd/numpy/numpy_boxes.py
@@ -1,3 +1,5 @@
+from typing import Union
+
 import numpy as np
 
 from autograd.builtins import SequenceBox
@@ -23,6 +25,9 @@ def __getitem__(A, idx):
     dtype = property(lambda self: self._value.dtype)
     T = property(lambda self: anp.transpose(self))
 
+    def __array_namespace__(self, *, api_version: Union[str, None] = None):
+        return anp
+
     def __len__(self):
         return len(self._value)