diff --git a/tempest/common/dynamic_creds.py b/tempest/common/dynamic_creds.py
index b0c01f5..c9b9db1 100644
--- a/tempest/common/dynamic_creds.py
+++ b/tempest/common/dynamic_creds.py
@@ -159,7 +159,10 @@
         # it must beassigned a role on the project. So we need to ensure that
         # our newly created user has a role on the newly created project.
         if self.identity_version == 'v3' and not role_assigned:
-            self.creds_client.create_user_role('Member')
+            try:
+                self.creds_client.create_user_role('Member')
+            except lib_exc.Conflict:
+                LOG.warning('Member role already exists, ignoring conflict.')
             self.creds_client.assign_user_role(user, project, 'Member')
 
         creds = self.creds_client.get_credentials(user, project, user_password)
diff --git a/tempest/tests/common/test_dynamic_creds.py b/tempest/tests/common/test_dynamic_creds.py
index e97f65f..7a8637f 100644
--- a/tempest/tests/common/test_dynamic_creds.py
+++ b/tempest/tests/common/test_dynamic_creds.py
@@ -21,6 +21,7 @@
 from tempest import config
 from tempest import exceptions
 from tempest.lib.common import rest_client
+from tempest.lib import exceptions as lib_exc
 from tempest.lib.services.identity.v2 import token_client as v2_token_client
 from tempest.lib.services.identity.v3 import token_client as v3_token_client
 from tempest.lib.services.network import routers_client
@@ -635,3 +636,15 @@
             return_value=(rest_client.ResponseBody
                           (200, {'project': {'id': id, 'name': name}}))))
         return project_fix
+
+    @mock.patch('tempest.lib.common.rest_client.RestClient')
+    def test_member_role_creation_with_duplicate(self, rest_client_mock):
+        creds = dynamic_creds.DynamicCredentialProvider(**self.fixed_params)
+        creds.creds_client = mock.MagicMock()
+        creds.creds_client.create_user_role.side_effect = lib_exc.Conflict
+        with mock.patch('tempest.common.dynamic_creds.LOG') as log_mock:
+            creds._create_creds()
+            log_mock.warning.assert_called_once_with(
+                "Member role already exists, ignoring conflict.")
+        creds.creds_client.assign_user_role.assert_called_once_with(
+            mock.ANY, mock.ANY, 'Member')