{
  "name": "react-app-rewire-less",
  "version": "2.0.8",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "license": "MIT",
  "dependencies": {
    "less": "^2.7.2",
    "less-loader": "^4.0.3"
  },
  "peerDependencies": {
    "react-app-rewired": "^1.2.1"
  }
}

{
  "name": "react-app-rewire-less",
  "version": "2.0.8",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "license": "MIT",
  "dependencies": {
    "less": "^2.7.3",
    "less-loader": "^4.0.5"
  },
  "peerDependencies": {
    "react-app-rewired": "^1.2.1"
  }
}

Upgrade less and less-loader in react-app-rewire-less
Upgrade less and less-loader in react-app-rewire-less
