diff --git a/google/api_core/retry.py b/google/api_core/retry.py
index bd3a4a65f..05b511370 100644
--- a/google/api_core/retry.py
+++ b/google/api_core/retry.py
@@ -104,6 +104,7 @@ def if_exception_type_predicate(exception):
     requests.exceptions.ConnectionError,
     requests.exceptions.ChunkedEncodingError,
     auth_exceptions.TransportError,
+    auth_exceptions.RefreshError,
 )
 """A predicate that checks if an exception is a transient API error.