{
  "name": "webcrypto-shim",
  "main": "webcrypto-shim.js",
  "version": "0.1.3",
  "description": "Web Cryptography API shim for legacy browsers",
  "license": "MIT",
  "author": "Artem S Vybornov <vybornov@gmail.com>",
  "homepage": "https://github.com/vibornoff/webcrypto-shim#readme",
  "repository": {
    "type": "git",
    "url": "git://github.com/vibornoff/webcrypto-shim.git"
  },
  "bugs": {
    "url": "https://github.com/vibornoff/webcrypto-shim/issues"
  },
  "keywords": [
    "webcrypto",
    "shim",
    "crypto",
    "mscrypto",
    "webkitcrypto",
    "mozcrypto",
    "subtle",
    "webkitsubtle",
    "sha",
    "hmac",
    "pbkdf",
    "aes",
    "cbc",
    "gcm",
    "rsa",
    "oaep",
    "pkcs1"
  ],
  "dependencies": {
    "gulp": "latest",
    "gulp-sourcemaps":"latest",
    "gulp-uglify":"latest",
    "gulp-concat":"latest"
  },
  "scripts": {
    "prepublish": "gulp"
  }
}

{
  "name": "webcrypto-shim",
  "main": "webcrypto-shim.js",
  "version": "0.1.3",
  "description": "Web Cryptography API shim for legacy browsers",
  "license": "MIT",
  "author": "Artem S Vybornov <vybornov@gmail.com>",
  "homepage": "https://github.com/vibornoff/webcrypto-shim#readme",
  "repository": {
    "type": "git",
    "url": "git://github.com/vibornoff/webcrypto-shim.git"
  },
  "bugs": {
    "url": "https://github.com/vibornoff/webcrypto-shim/issues"
  },
  "keywords": [
    "webcrypto",
    "shim",
    "crypto",
    "mscrypto",
    "webkitcrypto",
    "mozcrypto",
    "subtle",
    "webkitsubtle",
    "sha",
    "hmac",
    "pbkdf",
    "aes",
    "cbc",
    "gcm",
    "rsa",
    "oaep",
    "pkcs1"
  ],
  "devDependencies": {
    "gulp": "latest",
    "gulp-sourcemaps":"latest",
    "gulp-uglify":"latest",
    "gulp-concat":"latest"
  },
  "scripts": {
    "prepublish": "gulp"
  }
}

Change gulp to a devDependency
Change gulp to a devDependency