diff --git a/docs/source/conf.py b/docs/source/conf.py
index 8e084777dc57c..9e45787ace7c0 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -338,6 +338,8 @@
     ("py:class", "mlflow.models.model.Model"),
     ("py:class", "mlflow.models.signature.ModelSignature"),
     ("py:class", "MlflowInferableDataset"),
+    ("py:class", "scipy.sparse.csr.csr_matrix"),
+    ("py:class", "scipy.sparse.csr.csr_matrix"),
 ]