diff --git a/google/cloud/documentai_v1beta3/types/document_io.py b/google/cloud/documentai_v1beta3/types/document_io.py
index 7d0596c2..c876971e 100644
--- a/google/cloud/documentai_v1beta3/types/document_io.py
+++ b/google/cloud/documentai_v1beta3/types/document_io.py
@@ -227,12 +227,19 @@ class OcrConfig(proto.Message):
             Enables special handling for PDFs with
             existing text information. Results in better
             text extraction quality in such PDF inputs.
+        advanced_ocr_options (MutableSequence[str]):
+            A list of advanced OCR options to further
+            fine-tune OCR behavior.
     """
 
     enable_native_pdf_parsing: bool = proto.Field(
         proto.BOOL,
         number=3,
     )
+    advanced_ocr_options: MutableSequence[str] = proto.RepeatedField(
+        proto.STRING,
+        number=5,
+    )
 
 
 __all__ = tuple(sorted(__protobuf__.manifest))