Failed to load config "prettier" to extend from. Referenced from: /app/.eslintrc.js

前提・実現したいこと

herokuのデプロイ時に以下のようなエラーがでて困っています。
調べてみたところ、"eslint-config-prettier"を入れれば直ったということが書かれていたのですが、
入れてみても変化はありませんでした。
何が原因かわかる方がいましたらコメントお願いします。

発生している問題・エラーメッセージ

Failed to load config "prettier" to extend from. Referenced from: /app/.eslintrc.js

該当のソースコード

{
  "name": "grid_image_ts_app",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "@emotion/react": "^11.1.5",
    "@emotion/styled": "^11.1.5",
    "@material-ui/core": "^5.0.0-alpha.26",
    "@material-ui/icons": "^4.11.2",
    "@testing-library/jest-dom": "^5.11.9",
    "@testing-library/react": "^11.2.5",
    "@testing-library/user-event": "^12.7.2",
    "@types/jest": "^26.0.20",
    "@types/node": "^12.20.4",
    "@types/react": "^17.0.2",
    "@types/react-dom": "^17.0.1",
    "axios": "^0.21.1",
    "npm-run-all": "^4.1.5",
    "react": "^17.0.1",
    "react-dom": "^17.0.1",
    "react-redux": "^7.2.2",
    "react-scripts": "4.0.3",
    "react-toast-notifications": "^2.4.3",
    "redux": "^4.0.5",
    "redux-devtools-extension": "^2.13.9",
    "redux-thunk": "^2.3.0",
    "typescript": "^4.0.2",
    "web-vitals": "^1.1.0"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  },
  "eslintConfig": {
    "extends": [
      "react-app",
      "react-app/jest"
    ]
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  },
  "devDependencies": {
    "@types/react-redux": "^7.1.16",
    "@typescript-eslint/eslint-plugin": "^3.10.1",
    "@typescript-eslint/parser": "^3.10.1",
    "axios-mock-server": "^0.19.1",
    "eslint-config-airbnb": "^18.2.1",
    "eslint-config-prettier": "^6.15.0",
    "eslint-plugin-import": "^2.22.1",
    "eslint-plugin-jsx-a11y": "^6.4.1",
    "eslint-plugin-prettier": "^3.3.1",
    "eslint-plugin-react": "^7.22.0",
    "eslint-plugin-react-hooks": "^4.2.0",
    "prettier": "^2.2.1"
  }
}

eslintrc
1module.exports = {
2  root: true,
3  parser: '@typescript-eslint/parser',
4  plugins: [
5    '@typescript-eslint',
6  ],
7  extends: [
8    'eslint:recommended',
9    'plugin:@typescript-eslint/recommended',
10    'prettier',
11    'prettier/@typescript-eslint',
12  ],
13};
14
15