diff --git a/gitlab2rbac.py b/gitlab2rbac.py
index a66a1d5..b56ad55 100644
--- a/gitlab2rbac.py
+++ b/gitlab2rbac.py
@@ -441,7 +441,7 @@ def create_role_binding(
                     namespace=namespace, name=name, labels=labels
                 ),
                 subjects=[
-                    kubernetes.client.V1Subject(
+                    kubernetes.client.RbacV1Subject(
                         name=user,
                         kind="User",
                         api_group="rbac.authorization.k8s.io",