{
  "name": "<%= _.slugify(siteName) %>",
  "author": "<%= author %>",
  "version": "0.0.0",
  "devDependencies": {
    "bower": "~0.9.2"
  }
}

{
  "name": "<%= _.slugify(siteName) %>",
  "author": "<%= author %>",
  "version": "0.0.0",
  "devDependencies": {
    "bower": "~1.3.12"
  }
}

Upgrade bower version in package.json
Upgrade bower version in package.json