diff --git a/docs/source/conf.py b/docs/source/conf.py
index 3cb9388ed..2036aecfa 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -153,6 +153,7 @@ class MyReferenceStyle(AuthorYearReferenceStyle):
     ("py:class", "numpy.bool_"),
     ("py:class", "np.float32"),
     ("py:class", "np.datetime64"),
+    ("py:class", "np.ndarray"),
     ("py:class", "np.timedelta64"),
     ("py:class", "timedelta64"),
     ("py:class", "InitVar"),