diff --git a/package.json b/package.json
index 861b14dab7a..43692c8bca1 100644
--- a/package.json
+++ b/package.json
@@ -75,13 +75,13 @@
     "lodash.template": "^4.3.0",
     "mime": "^1.3.4",
     "minimatch": "^3.0.2",
+    "normalize-package-data": "^2.3.5",
     "path-sort": "^0.1.0",
     "plist": "^1.2.0",
     "pretty-ms": "^2.1.0",
     "progress": "^1.1.8",
     "progress-stream": "^1.2.0",
     "rcedit": "^0.5.1",
-    "read-package-json": "^2.0.4",
     "sanitize-filename": "^1.6.0",
     "semver": "^5.3.0",
     "signcode-tf": "~0.7.5",
diff --git a/src/install-app-deps.ts b/src/install-app-deps.ts
index ea13856f2fd..61ea9c4de97 100644
--- a/src/install-app-deps.ts
+++ b/src/install-app-deps.ts
@@ -1,11 +1,12 @@
 #! /usr/bin/env node
 
-import { computeDefaultAppDirectory, installDependencies, getElectronVersion, readPackageJson, use } from "./util/util"
+import { computeDefaultAppDirectory, installDependencies, getElectronVersion, use } from "./util/util"
 import { printErrorAndExit } from "./util/promise"
 import * as path from "path"
 import { Promise as BluebirdPromise } from "bluebird"
 import { DevMetadata } from "./metadata"
 import yargs = require("yargs")
+import { readPackageJson } from "./util/readPackageJson"
 
 //noinspection JSUnusedLocalSymbols
 const __awaiter = require("./util/awaiter")
diff --git a/src/packager.ts b/src/packager.ts
index bfb4d9a1534..45a224c98da 100644
--- a/src/packager.ts
+++ b/src/packager.ts
@@ -1,7 +1,7 @@
 import * as path from "path"
 import {
-  computeDefaultAppDirectory, installDependencies, getElectronVersion, readPackageJson, use,
-  exec, isEmptyOrSpaces
+  computeDefaultAppDirectory, installDependencies, getElectronVersion, use,
+  exec, isEmptyOrSpaces, statOrNull
 } from "./util/util"
 import { all, executeFinally } from "./util/promise"
 import { EventEmitter } from "events"
@@ -17,6 +17,7 @@ import { warn, log } from "./util/log"
 import { AppInfo } from "./appInfo"
 import MacPackager from "./macPackager"
 import { createTargets } from "./targets/targetFactory"
+import { readPackageJson } from "./util/readPackageJson"
 
 //noinspection JSUnusedLocalSymbols
 const __awaiter = require("./util/awaiter")
@@ -172,11 +173,8 @@ export class Packager implements BuildInfo {
         throw new Error(util.format(errorMessages.buildInAppSpecified, appPackageFile, devAppPackageFile))
       }
 
-      if (this.devMetadata.homepage != null) {
-        warn("homepage in the development package.json is deprecated, please move to the application package.json")
-      }
       if (this.devMetadata.license != null) {
-        warn("license in the development package.json is deprecated, please move to the application package.json")
+        warn(`license in the development package.json (${devAppPackageFile}) is deprecated, please move to the application package.json`)
       }
     }
 
@@ -207,13 +205,13 @@ export class Packager implements BuildInfo {
     }
   }
 
-  private installAppDependencies(platform: Platform, arch: Arch): Promise<any> {
+  private async installAppDependencies(platform: Platform, arch: Arch): Promise<any> {
     if (this.isTwoPackageJsonProjectLayoutUsed) {
       if (this.devMetadata.build.npmRebuild === false) {
         log("Skip app dependencies rebuild because npmRebuild is set to false")
       }
       else if (platform.nodeName === process.platform) {
-        return installDependencies(this.appDir, this.electronVersion, Arch[arch], "rebuild")
+        await installDependencies(this.appDir, this.electronVersion, Arch[arch], (await statOrNull(path.join(this.appDir, "node_modules"))) == null ? "install" : "rebuild")
       }
       else {
         log("Skip app dependencies rebuild because platform is different")
@@ -222,8 +220,6 @@ export class Packager implements BuildInfo {
     else {
       log("Skip app dependencies rebuild because dev and app dependencies are not separated")
     }
-
-    return BluebirdPromise.resolve()
   }
 }
 
diff --git a/src/util/readPackageJson.ts b/src/util/readPackageJson.ts
new file mode 100644
index 00000000000..371aa0bd8b2
--- /dev/null
+++ b/src/util/readPackageJson.ts
@@ -0,0 +1,32 @@
+import * as path from "path"
+import { readJson, readFile } from "fs-extra-p"
+
+//noinspection JSUnusedLocalSymbols
+const __awaiter = require("./awaiter")
+
+const normalizeData = require("normalize-package-data")
+
+export async function readPackageJson(file: string): Promise<any> {
+  const data = await readJson(file)
+  await authors(file, data)
+  normalizeData(data)
+  return data
+}
+
+async function authors(file: string, data: any) {
+  if (data.contributors != null) {
+    return
+  }
+
+  let authorData: string | null = null
+  try {
+    authorData = await readFile(path.resolve(path.dirname(file), "AUTHORS"), "utf8")
+  }
+  catch (ignored) {
+    return
+  }
+
+  data.contributors = authorData
+    .split(/\r?\n/g)
+    .map(it => it.replace(/^\s*#.*$/, "").trim())
+}
\ No newline at end of file
diff --git a/src/util/util.ts b/src/util/util.ts
index 88c12d0a84b..dc62abc19e2 100644
--- a/src/util/util.ts
+++ b/src/util/util.ts
@@ -1,7 +1,6 @@
 import { execFile, spawn as _spawn, ChildProcess, SpawnOptions } from "child_process"
 import { Promise as BluebirdPromise } from "bluebird"
-import readPackageJsonAsync = require("read-package-json")
-import * as os from "os"
+import { homedir } from "os"
 import * as path from "path"
 import { readJson, stat, Stats, unlink } from "fs-extra-p"
 import { yellow, red } from "chalk"
@@ -17,10 +16,8 @@ export const debug7z = debugFactory("electron-builder:7z")
 
 const DEFAULT_APP_DIR_NAMES = ["app", "www"]
 
-export const readPackageJson = BluebirdPromise.promisify(readPackageJsonAsync)
-
 export function installDependencies(appDir: string, electronVersion: string, arch: string = process.arch, command: string = "install"): BluebirdPromise<any> {
-  const gypHome = path.join(os.homedir(), ".electron-gyp")
+  const gypHome = path.join(homedir(), ".electron-gyp")
   return task(`${(command === "install" ? "Installing" : "Rebuilding")} app dependencies for arch ${arch} to ${appDir}`, spawnNpmProduction(command, appDir, Object.assign({}, process.env, {
       npm_config_disturl: "https://atom.io/download/atom-shell",
       npm_config_target: electronVersion,