How can I handle Big Int with GraphQL?

I’ve an Django Model field with BigInt type, How can i map this in graphql schema, is there anything available like BigInt like Int type in Graphql?

I’m using graphene library FYI

My Schema:

type MyModelObject {
  complaintId: BigInt
  createdBy: User!
  complaintNumber: String!
}

I got below warning/error in IDE

The field type 'BigInt' is not present when resolving type 'MyModelObject'