{
  "name": "Confion",
  "private": true,
  "version": "0.0.1",
  "description": "An app to display conference sessions.",
  "repository": "https://github.com/webplatformz/confion.git",
  "devDependencies": {
    "http-server": "^0.8.0",
    "jasmine-core": "^2.3.4",
    "karma": "^0.12.36",
    "karma-chrome-launcher": "^0.1.12",
    "karma-firefox-launcher": "^0.1.6",
    "karma-jasmine": "^0.3.5",
    "karma-junit-reporter": "^0.2.2",
    "protractor": "^2.1.0"
  },
  "scripts": {
    "postinstall": "bower install",
    "prestart": "npm install",
    "start" : "node server.js",
    "start_old": "node_modules/http-server/bin/http-server -p 8000",
    "pretest": "npm install",
    "test": "karma start karma.conf.js",
    "test-single-run": "karma start karma.conf.js  --single-run",
    "preupdate-webdriver": "npm install",
    "update-webdriver": "webdriver-manager update",
    "preprotractor": "npm run update-webdriver",
    "protractor": "protractor e2e-tests/protractor.conf.js"
  },
  "dependencies": {
    "bower": "^1.4.1",
    "express": "~4.9.x"
  }
}
{
  "name": "Confion",
  "private": true,
  "version": "0.0.1",
  "description": "An app to display conference sessions.",
  "repository": "https://github.com/webplatformz/confion.git",
  "devDependencies": {
    "http-server": "^0.8.0",
    "jasmine-core": "^2.3.4",
    "karma": "^0.12.36",
    "karma-chrome-launcher": "^0.1.12",
    "karma-firefox-launcher": "^0.1.6",
    "karma-jasmine": "^0.3.5",
    "karma-junit-reporter": "^0.2.2",
    "protractor": "^2.1.0"
  },
  "scripts": {
    "postinstall": "bower install",
    "prestart": "npm install",
    "start": "node server.js",
    "start_old": "node_modules/http-server/bin/http-server -p 8000",
    "pretest": "npm install",
    "test": "karma start karma.conf.js",
    "test-single-run": "karma start karma.conf.js  --single-run",
    "preupdate-webdriver": "npm install",
    "update-webdriver": "webdriver-manager update",
    "preprotractor": "npm run update-webdriver",
    "protractor": "protractor e2e-tests/protractor.conf.js"
  },
  "dependencies": {
    "bower": "^1.4.1",
    "express": "^4.12.4"
  }
}

Change express to newer version.
Change express to newer version.
