diff --git a/src/gam/gapi/errors.py b/src/gam/gapi/errors.py
index 2cc5e3c4..2085b956 100644
--- a/src/gam/gapi/errors.py
+++ b/src/gam/gapi/errors.py
@@ -229,6 +229,7 @@ OAUTH2_TOKEN_ERRORS = [
     'invalid_grant: Not a valid email',
     'invalid_grant: Invalid JWT: No valid verifier found for issuer',
     'invalid_grant: The account has been deleted',
+    'invalid_grant: reauth related error (invalid_rapt)',
     'invalid_request: Invalid impersonation prn email address',
     'invalid_request: Invalid impersonation "sub" field',
     'unauthorized_client: Client is unauthorized to retrieve access tokens '