diff --git a/gimme_aws_creds/okta.py b/gimme_aws_creds/okta.py
index d16f68bf..69270e80 100644
--- a/gimme_aws_creds/okta.py
+++ b/gimme_aws_creds/okta.py
@@ -80,7 +80,7 @@ def __init__(self, gac_ui, okta_org_url, verify_ssl_certs=True, device_token=Non
         self.device_token = device_token
 
         retries = Retry(total=5, backoff_factor=1,
-                        method_whitelist=['GET', 'POST'])
+                        allowed_methods=['GET', 'POST'])
         self._http_client.mount('https://', HTTPAdapter(max_retries=retries))
 
     @property