diff --git a/alembic/versions/0019_rbac_groups.py b/alembic/versions/0019_rbac_groups.py
index 2136f1f..f67e1c7 100644
--- a/alembic/versions/0019_rbac_groups.py
+++ b/alembic/versions/0019_rbac_groups.py
@@ -80,7 +80,7 @@ def upgrade() -> None:
                     gen_random_uuid(),
                     t.id,
                     :role_name,
-                    :perms::jsonb,
+                    CAST(:perms AS jsonb),
                     '[]'::jsonb,
                     '{}'::jsonb,
                     1,