{
  "name": "aops-city",
  "description": "An AoPS Blog CSS inspired by city skylines",
  "version": "v1.0.0",
  "bugs": "https://github.com/tyxchen/aops-city/issues",
  "license": "MIT",
  "repository": {
    "type": "git",
    "url": "https://github.com/tyxchen/aops-city.git"
  },
  "private": true,
  "devDependencies": {
    "gulp": "^3.8.10",
    "gulp-rename": "^1.2.0",
    "gulp-ruby-sass": "^1.0.0-alpha",
    "gulp-autoprefixer": "^2.0.0",
    "gulp-sourcemaps": "^1.3.0",
    "gulp-minify-css": "^0.3.11"
  }
}

{
  "name": "aops-city",
  "description": "An AoPS Blog CSS inspired by city skylines",
  "version": "v1.0.0",
  "bugs": "https://github.com/tyxchen/aops-city/issues",
  "license": "MIT",
  "repository": {
    "type": "git",
    "url": "https://github.com/tyxchen/aops-city.git"
  },
  "private": true,
  "devDependencies": {
    "gulp": "^3.8.10",
    "gulp-rename": "^1.2.1",
    "gulp-ruby-sass": "^1.0.0",
    "gulp-autoprefixer": "^2.1.0",
    "gulp-sourcemaps": "^1.5.0",
    "gulp-minify-css": "^1.0.0",
    "clean-css": "<3.1.0"
  }
}

Update dependencies, limit clean-css version
Update dependencies, limit clean-css version

See https://github.com/jakubpawlowicz/clean-css/issues/516 for rationale
on last point
