diff --git a/src/anthropic/lib/vertex/_client.py b/src/anthropic/lib/vertex/_client.py
index af916aa7b..4f82f1252 100644
--- a/src/anthropic/lib/vertex/_client.py
+++ b/src/anthropic/lib/vertex/_client.py
@@ -70,6 +70,9 @@ def _make_status_error(
         if response.status_code == 409:
             return _exceptions.ConflictError(err_msg, response=response, body=body)
 
+        if response.status_code == 413:
+            return _exceptions.RequestTooLargeError(err_msg, response=response, body=body)
+
         if response.status_code == 422:
             return _exceptions.UnprocessableEntityError(err_msg, response=response, body=body)
 
@@ -82,6 +85,9 @@ def _make_status_error(
         if response.status_code == 504:
             return _exceptions.DeadlineExceededError(err_msg, response=response, body=body)
 
+        if response.status_code == 529:
+            return _exceptions.OverloadedError(err_msg, response=response, body=body)
+
         if response.status_code >= 500:
             return _exceptions.InternalServerError(err_msg, response=response, body=body)
         return APIStatusError(err_msg, response=response, body=body)