diff --git a/alembic/versions/0019_rbac_groups.py b/alembic/versions/0019_rbac_groups.py
index f67e1c7..c57e9c5 100644
--- a/alembic/versions/0019_rbac_groups.py
+++ b/alembic/versions/0019_rbac_groups.py
@@ -75,7 +75,7 @@ def upgrade() -> None:
     ]:
         op.execute(
             sa.text("""
-                INSERT INTO roles (id, tenant_id, name, permissions, denied_permissions, field_permissions, permission_version, created_at, updated_at)
+                INSERT INTO roles (id, tenant_id, name, permissions, denied_permissions, field_permissions, permission_version, created_at)
                 SELECT
                     gen_random_uuid(),
                     t.id,
@@ -84,7 +84,6 @@ def upgrade() -> None:
                     '[]'::jsonb,
                     '{}'::jsonb,
                     1,
-                    now(),
                     now()
                 FROM tenants t
                 WHERE NOT EXISTS (