diff --git a/atlassian/rest_client.py b/atlassian/rest_client.py
index e593c397d..5b942c000 100644
--- a/atlassian/rest_client.py
+++ b/atlassian/rest_client.py
@@ -5,9 +5,9 @@
 import requests
 
 try:
-    from oauthlib.oauth1 import SIGNATURE_RSA_SHA512 as SIGNATURE_RSA_SHA
+    from oauthlib.oauth1 import SIGNATURE_RSA_SHA512 as SIGNATURE_RSA
 except ImportError:
-    from oauthlib.oauth1 import SIGNATURE_RSA_SHA
+    from oauthlib.oauth1 import SIGNATURE_RSA
 from requests import HTTPError
 from requests_oauthlib import OAuth1, OAuth2
 from six.moves.urllib.parse import urlencode
@@ -110,7 +110,7 @@ def _create_oauth_session(self, oauth_dict):
         oauth = OAuth1(
             oauth_dict["consumer_key"],
             rsa_key=oauth_dict["key_cert"],
-            signature_method=SIGNATURE_RSA_SHA,
+            signature_method=SIGNATURE_RSA,
             resource_owner_key=oauth_dict["access_token"],
             resource_owner_secret=oauth_dict["access_token_secret"],
         )