Missing 'GoCardless-Version' header

[Arthurmtro]

Package version: 4.0.0

when I do:
const billingRequest = await this.client.billingRequests.create( { mandate_request: { scheme: 'bacs', }, }

Here is my response url: 'https://api-sandbox.gocardless.com/billing_requests'
and when I click i get this

{
  "error": {
    "message": "Missing 'GoCardless-Version' header",
    "errors": [
      {
        "reason": "missing_version_header",
        "message": "Missing 'GoCardless-Version' header"
      }
    ],
    "documentation_url": "https://developer.gocardless.com/api-reference#missing_version_header",
    "type": "invalid_api_usage",
    "request_id": "23BF12D4E6A2_0A148D341F92_66F58DE4_56E80001",
    "code": 400
  }
}