Zod Openapi references

import { z } from "@hono/zod-openapi";

const title = z.string().openapi({
  description: 'Job title',
  example: 'My job',
  ref: 'jobTitle',
});

src/schema/plfpl-schema.ts(28,26): error TS2769: No overload matches this call.
  Overload 1 of 2, '(this: ZodString, metadata: Partial<ZodOpenAPIMetadata<string, string>>): ZodString', gave the following error.
    Object literal may only specify known properties, and 'ref' does not exist in type 'Partial<ZodOpenAPIMetadata<string, string>>'.
  Overload 2 of 2, '(this: ZodString, refId: string, metadata?: Partial<ZodOpenAPIMetadata<string, string>> | undefined): ZodString', gave the following error.
    Argument of type '{ description: string; example: string; ref: string; }' is not assignable to parameter of type 'string'.