MissingFieldException when trying to get transaction receipt

[kamilargent]

When trying to get transaction receipt via GatewayProvider I get the following exception. It seems that actualFee should be an optional parameter

Call: provider.getTransactionReceipt(txHash)
Response:

 <-- 200 https://alpha4-2.starknet.io/feeder_gateway/get_transaction_receipt?transactionHash=0x334da4f63cc6309ba2429a70f103872ab0ae82cf8d9a73b845184a4713cada5
 content-type: application/json; charset=utf-8
 content-length: 150
 date: Mon, 21 Nov 2022 13:18:28 GMT
 server: Python/3.9 aiohttp/3.8.1
 via: 1.1 google
 alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
{"status": "RECEIVED", "transaction_hash": "0x334da4f63cc6309ba2429a70f103872ab0ae82cf8d9a73b845184a4713cada5", "l2_to_l1_messages": [], "events": []}

Exception:
Caused by: kotlinx.serialization.MissingFieldException: Field 'actualFee' is required for type with serial name 'com.swmansion.starknet.data.types.transactions.GatewayTransactionReceipt', but it was missing