ProviderError: transaction underpriced

[Odinaka12]

require("@nomicfoundation/hardhat-toolbox");
require("dotenv").config();

/** @type import('hardhat/config').HardhatUserConfig */

const RINKEBY_RPC_URL = process.env.RINKEBY_RPC_URL;
const PRIVATE_KEY = process.env.PRIVATE_KEY;
module.exports = {
    defaultNetwork: "hardhat",
    networks: {
        rinkeby: {
            url: RINKEBY_RPC_URL,
            accounts: [PRIVATE_KEY],
            chainId: 11155111,
        },
    },
    solidity: "0.8.8",
};


$ /home/odigenics/hh-fcc/ethers-simple-storage/hardhat-simple-storage-fcc/node_modules/.bin/hardhat run scripts/deploy.js --network rinkeby
Deploying contract...
ProviderError: transaction underpriced
    at HttpProvider.request (/home/odigenics/hh-fcc/ethers-simple-storage/hardhat-simple-storage-fcc/node_modules/hardhat/src/internal/core/providers/http.ts:88:21)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at EthersProviderWrapper.send (/home/odigenics/hh-fcc/ethers-simple-storage/hardhat-simple-storage-fcc/node_modules/@nomiclabs/hardhat-ethers/src/internal/ethers-provider-wrapper.ts:13:20)
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

@alymurtazamemon pls i need help

[alymurtazamemon]

@Odinaka12 Rinkeby network is deprecated now, please it is recommended to always check the main repository for the recommended testnet network.

You should use sepolia network now.

[Odinaka12]

Ok i will try that