diff --git a/types/electron-packager/electron-packager-tests.ts b/types/electron-packager/electron-packager-tests.ts
index 6b10ea4bf3..1f799ceac4 100644
--- a/types/electron-packager/electron-packager-tests.ts
+++ b/types/electron-packager/electron-packager-tests.ts
@@ -1,209 +1,217 @@
-import packager = require("electron-packager");
+import packager = require('electron-packager');
 
 function callback(err: Error, appPaths: string[]) {
-	const msg = err.message;
-	const index = appPaths.indexOf("test");
+    const msg = err.message;
+    const index = appPaths.indexOf('test');
 }
 
-function completeFunction(buildPath: string, electronVersion: string, platform: string, arch: string, callbackFn: () => void) {
-	callbackFn();
+function completeFunction(
+    buildPath: string,
+    electronVersion: string,
+    platform: string,
+    arch: string,
+    callbackFn: () => void
+) {
+    callbackFn();
 }
 
 function ignoreFunction(path: string) {
-	return true;
+    return true;
 }
 
-function onCompleted(appPaths: string | string[]) {
-}
+function onCompleted(appPaths: string | string[]) {}
 
-function onError(error: Error) {
-}
+function onError(error: Error) {}
 
 packager({
-	dir: ".",
-	name: "myapplication",
-	platform: "win32",
-	arch: "all",
-	electronVersion: "0.34.0",
-	win32metadata: {
-		CompanyName: "Acme CO",
-		FileDescription: "My application",
-		OriginalFilename: "myapp.exe",
-		ProductName: "Application",
-		InternalName: "roadrunner",
-		"requested-execution-level": "highestAvailable",
-		"application-manifest": "manifest.xml"
-	}
-}).then(onCompleted).catch(onError);
+    dir: '.',
+    name: 'myapplication',
+    platform: 'win32',
+    arch: 'all',
+    electronVersion: '0.34.0',
+    win32metadata: {
+        CompanyName: 'Acme CO',
+        FileDescription: 'My application',
+        OriginalFilename: 'myapp.exe',
+        ProductName: 'Application',
+        InternalName: 'roadrunner',
+        'requested-execution-level': 'highestAvailable',
+        'application-manifest': 'manifest.xml',
+    },
+})
+    .then(onCompleted)
+    .catch(onError);
 
 packager({
-	dir: ".",
-	name: "myapplication",
-	electronVersion: "0.34.0",
-	all: true,
-	win32metadata: {
-		CompanyName: "Acme CO",
-		FileDescription: "My application",
-		OriginalFilename: "myapp.exe",
-		ProductName: "Application",
-		InternalName: "roadrunner",
-		"requested-execution-level": "requireAdministrator",
-		"application-manifest": "manifest.xml"
-	}
-}).then(onCompleted).catch(onError);
+    dir: '.',
+    name: 'myapplication',
+    electronVersion: '0.34.0',
+    all: true,
+    win32metadata: {
+        CompanyName: 'Acme CO',
+        FileDescription: 'My application',
+        OriginalFilename: 'myapp.exe',
+        ProductName: 'Application',
+        InternalName: 'roadrunner',
+        'requested-execution-level': 'requireAdministrator',
+        'application-manifest': 'manifest.xml',
+    },
+})
+    .then(onCompleted)
+    .catch(onError);
 
 packager({
-	dir: ".",
-	name: "myapplication",
-	platform: "all",
-	arch: "all",
-	electronVersion: "0.34.0"
-}).then(onCompleted).catch(onError);
+    dir: '.',
+    name: 'myapplication',
+    platform: 'all',
+    arch: 'all',
+    electronVersion: '0.34.0',
+})
+    .then(onCompleted)
+    .catch(onError);
 
 packager({
-	dir: ".",
-	name: "myapplication",
-	electronVersion: "0.34.0",
-	all: true
-}).then(onCompleted).catch(onError);
+    dir: '.',
+    name: 'myapplication',
+    electronVersion: '0.34.0',
+    all: true,
+})
+    .then(onCompleted)
+    .catch(onError);
 
 packager({
-	dir: ".",
-	name: "myapplication",
-	electronVersion: "0.34.0",
-	arch: "arm64",
-	executableName: "myapp"
-}).then(onCompleted).catch(onError);
+    dir: '.',
+    name: 'myapplication',
+    electronVersion: '0.34.0',
+    arch: 'arm64',
+    executableName: 'myapp',
+})
+    .then(onCompleted)
+    .catch(onError);
 
 packager({
-	dir: ".",
-	afterCopy: [
-		completeFunction
-	],
-	afterExtract: [
-		completeFunction
-	],
-	afterPrune: [
-		completeFunction
-	],
-	appCopyright: "Copyright",
-	appVersion: "1.0",
-	arch: "ia32",
-	asar: false,
-	buildVersion: "1.2.3",
-	derefSymlinks: true,
-	download: {
-		cache: "./zips",
-		mirror: "https://10.1.2.105/",
-		quiet: true,
-		strictSSL: true
-	},
-	extraResource: "foo.js",
-	icon: "foo.ico",
-	ignore: /ab+c/,
-	out: "out",
-	overwrite: true,
-	prune: true,
-	quiet: true,
-	tmpdir: "/tmp",
-	win32metadata: {
-		CompanyName: "Acme CO",
-		FileDescription: "My application",
-		OriginalFilename: "myapp.exe",
-		ProductName: "Application",
-		InternalName: "roadrunner",
-		"requested-execution-level": "asInvoker",
-		"application-manifest": "manifest.xml"
-	}
-}).then(onCompleted).catch(onError);
+    dir: '.',
+    afterCopy: [completeFunction],
+    afterExtract: [completeFunction],
+    afterPrune: [completeFunction],
+    appCopyright: 'Copyright',
+    appVersion: '1.0',
+    arch: 'ia32',
+    asar: false,
+    buildVersion: '1.2.3',
+    derefSymlinks: true,
+    download: {
+        cacheRoot: './zips',
+        mirrorOptions: {
+            mirror: 'https://10.1.2.105/',
+        },
+    },
+    extraResource: 'foo.js',
+    icon: 'foo.ico',
+    ignore: /ab+c/,
+    out: 'out',
+    overwrite: true,
+    prune: true,
+    quiet: true,
+    tmpdir: '/tmp',
+    win32metadata: {
+        CompanyName: 'Acme CO',
+        FileDescription: 'My application',
+        OriginalFilename: 'myapp.exe',
+        ProductName: 'Application',
+        InternalName: 'roadrunner',
+        'requested-execution-level': 'asInvoker',
+        'application-manifest': 'manifest.xml',
+    },
+})
+    .then(onCompleted)
+    .catch(onError);
 
 packager({
-	dir: ".",
-	arch: "x64",
-	asar: true,
-	derefSymlinks: false,
-	download: {
-		cache: "./zips",
-		mirror: "https://10.1.2.105/",
-		quiet: false,
-		strictSSL: true
-	},
-	extraResource: [
-		"foo.js",
-		"bar.js"
-	],
-	ignore: [
-		/ab+c/,
-		new RegExp('abc')
-	],
-	overwrite: false,
-	platform: "darwin",
-	prune: false,
-	quiet: false,
-	tmpdir: "false",
-	appBundleId: "123456",
-	appCategoryType: "public.app-category.developer-tools",
-	extendInfo: "plist.txt",
-	helperBundleId: "23223f",
-	osxSign: true
-}).then(onCompleted).catch(onError);
+    dir: '.',
+    arch: 'x64',
+    asar: true,
+    derefSymlinks: false,
+    download: {
+        cacheRoot: './zips',
+        mirrorOptions: {
+            mirror: 'https://10.1.2.105/',
+        },
+    },
+    extraResource: ['foo.js', 'bar.js'],
+    ignore: [/ab+c/, new RegExp('abc')],
+    overwrite: false,
+    platform: 'darwin',
+    prune: false,
+    quiet: false,
+    tmpdir: 'false',
+    appBundleId: '123456',
+    appCategoryType: 'public.app-category.developer-tools',
+    extendInfo: 'plist.txt',
+    helperBundleId: '23223f',
+    osxSign: true,
+})
+    .then(onCompleted)
+    .catch(onError);
 
 packager({
-	dir: ".",
-	arch: "armv7l",
-	asar: {
-		ordering: "order.txt",
-		unpack: "*.js",
-		unpackDir: "sub_dir"
-	},
-	download: {
-		cache: "./zips",
-		mirror: "https://10.1.2.105/",
-		quiet: false,
-		strictSSL: false
-	},
-	ignore: ignoreFunction,
-	platform: "linux"
-}).then(onCompleted).catch(onError);
+    dir: '.',
+    arch: 'armv7l',
+    asar: {
+        ordering: 'order.txt',
+        unpack: '*.js',
+        unpackDir: 'sub_dir',
+    },
+    download: {
+        cacheRoot: './zips',
+        mirrorOptions: {
+            mirror: 'https://10.1.2.105/',
+        },
+    },
+    ignore: ignoreFunction,
+    platform: 'linux',
+})
+    .then(onCompleted)
+    .catch(onError);
 
 packager({
-	dir: ".",
-	arch: "mips64el",
-	electronVersion: "1.8.8",
-	prebuiltAsar: "prebuilt.asar",
-	platform: "linux"
-}).then(onCompleted).catch(onError);
+    dir: '.',
+    arch: 'mips64el',
+    electronVersion: '1.8.8',
+    prebuiltAsar: 'prebuilt.asar',
+    platform: 'linux',
+})
+    .then(onCompleted)
+    .catch(onError);
 
 packager({
-	dir: ".",
-	arch: [
-		"ia32",
-		"x64"
-	],
-	download: {
-		cache: "./zips",
-		mirror: "https://10.1.2.105/",
-		quiet: true,
-		strictSSL: false
-	},
-	platform: "mas",
-	extendInfo: {
-		foo: "bar"
-	},
-	osxNotarize: {
-		appleId: "My ID",
-		appleIdPassword: "Bad Password"
-	},
-	osxSign: {
-		identity: "myidentity",
-		entitlements: "path/to/my.entitlements",
-		"entitlements-inherit": "path/to/inherit.entitlements"
-	},
-	protocols: [{
-		name: "myappproto",
-		schemes: [
-			"myapp",
-			"myapp2"
-		]
-	}]
-}).then(onCompleted).catch(onError);
+    dir: '.',
+    arch: ['ia32', 'x64'],
+    download: {
+        cacheRoot: './zips',
+        mirrorOptions: {
+            mirror: 'https://10.1.2.105/',
+        },
+    },
+    platform: 'mas',
+    extendInfo: {
+        foo: 'bar',
+    },
+    osxNotarize: {
+        appleId: 'My ID',
+        appleIdPassword: 'Bad Password',
+    },
+    osxSign: {
+        identity: 'myidentity',
+        entitlements: 'path/to/my.entitlements',
+        'entitlements-inherit': 'path/to/inherit.entitlements',
+    },
+    protocols: [
+        {
+            name: 'myappproto',
+            schemes: ['myapp', 'myapp2'],
+        },
+    ],
+})
+    .then(onCompleted)
+    .catch(onError);
diff --git a/types/electron-packager/index.d.ts b/types/electron-packager/index.d.ts
index 3a3519292e..d6fc82a09f 100644
--- a/types/electron-packager/index.d.ts
+++ b/types/electron-packager/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for electron-packager 13.0
+// Type definitions for electron-packager 14.0
 // Project: https://github.com/electron-userland/electron-packager
 // Definitions by: Maxime LUCE <https://github.com/SomaticIT>
 //                 Juan Jimenez-Anca <https://github.com/cortopy>
@@ -7,8 +7,15 @@
 //                 Mark Lee <https://github.com/malept>
 //                 Florian Keller <https://github.com/ffflorian>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.9
 
-/// <reference types="node" />
+/// <reference types='node' />
+
+type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
+
+import { ElectronDownloadRequestOptions as ElectronDownloadOptions } from '@electron/get';
+import { NotarizeOptions } from 'electron-notarize';
+import { SignOptions as OsXSignOptions } from 'electron-osx-sign';
 
 export = electronPackager;
 
@@ -23,7 +30,7 @@ export = electronPackager;
  *
  * @returns A promise containing the path(s) to the newly created application(s)
  */
-declare function electronPackager(opts: electronPackager.Options): Promise<string|string[]>;
+declare function electronPackager(opts: electronPackager.Options): Promise<string | string[]>;
 
 declare namespace electronPackager {
     /**
@@ -32,12 +39,18 @@ declare namespace electronPackager {
      * @param err - Contains errors if any.
      * @param appPaths - Path(s) to the newly created application(s).
      */
-    type finalCallback = (err: Error, appPaths: string|string[]) => void;
+    type finalCallback = (err: Error, appPaths: string | string[]) => void;
 
     type ignoreFunction = (path: string) => boolean;
-    type onCompleteFn = (buildPath: string, electronVersion: string, platform: string, arch: string, callbackFn: () => void) => void;
-    type arch = "ia32" | "x64" | "armv7l" | "arm64" | "mips64el" | "all";
-    type platform = "linux" | "win32" | "darwin" | "mas" | "all";
+    type onCompleteFn = (
+        buildPath: string,
+        electronVersion: string,
+        platform: string,
+        arch: string,
+        callbackFn: () => void
+    ) => void;
+    type arch = 'ia32' | 'x64' | 'armv7l' | 'arm64' | 'mips64el' | 'all';
+    type platform = 'linux' | 'win32' | 'darwin' | 'mas' | 'all';
 
     interface AsarOptions {
         ordering?: string;
@@ -45,34 +58,15 @@ declare namespace electronPackager {
         unpackDir?: string;
     }
 
-    interface ElectronDownloadOptions {
-        cache?: string;
-        mirror?: string;
-        quiet?: boolean;
-        strictSSL?: boolean;
-    }
-
-    interface ElectronNotarizeOptions {
-        appleId: string;
-        appleIdPassword: string;
-    }
-
-    interface ElectronOsXSignOptions {
-        entitlements?: string;
-        "entitlements-inherit"?: string;
-        "gatekeeper-assess"?: boolean;
-        // see https://github.com/electron-userland/electron-packager/blob/92d09bba34599283a794fd6f24b88470f0cb1074/src/mac.js#L359
+    // see https://github.com/electron-userland/electron-packager/blob/92d09bba34599283a794fd6f24b88470f0cb1074/src/mac.js#L340
+    interface ElectronOsXSignOptions
+        extends Omit<OsXSignOptions, 'app' | 'binaries' | 'identity' | 'platform' | 'version'> {
         identity?: string | true;
-        "identity-validation"?: boolean;
-        ignore?: string;
-        keychain?: string;
-        "pre-auto-entitlements"?: boolean;
-        "pre-embed-provisioning-profile"?: boolean;
-        "provisioning-profile"?: string;
-        requirements?: string;
-        type?: string;
     }
 
+    // see https://github.com/electron-userland/electron-packager/blob/92d09bba34599283a794fd6f24b88470f0cb1074/src/mac.js#L372
+    type ElectronNotarizeOptions = Omit<NotarizeOptions, 'appBundleId' | 'appPath'>;
+
     /**
      * Object (also known as a "hash") of application metadata to embed into the executable
      */
@@ -82,8 +76,8 @@ declare namespace electronPackager {
         OriginalFilename?: string;
         ProductName?: string;
         InternalName?: string;
-        "requested-execution-level"?: "asInvoker" | "highestAvailable" | "requireAdministrator";
-        "application-manifest"?: string;
+        'requested-execution-level'?: 'asInvoker' | 'highestAvailable' | 'requireAdministrator';
+        'application-manifest'?: string;
     }
 
     /** Electron-packager Options. */
@@ -132,7 +126,7 @@ declare namespace electronPackager {
          */
         derefSymlinks?: boolean;
         /**
-         * If present, passes custom options to electron-download
+         * If present, passes custom options to `@electron/get`
          */
         download?: ElectronDownloadOptions;
         /**
@@ -199,7 +193,7 @@ declare namespace electronPackager {
          * When the value is a String, the filename of a plist file. Its contents are added to the app's plist.
          * When the value is an Object, an already-parsed plist data structure that is merged into the app's plist.
          */
-        extendInfo?: string | {[property: string]: any};
+        extendInfo?: string | { [property: string]: any };
         /**
          * The bundle identifier to use in the application helper's plist.
          */
@@ -219,8 +213,8 @@ declare namespace electronPackager {
 
         /** The URL protocol schemes the app supports. */
         protocols?: Array<{
-            name: string
-            schemes: string[]
+            name: string;
+            schemes: string[];
         }>;
 
         /**
diff --git a/types/electron-packager/package.json b/types/electron-packager/package.json
new file mode 100644
index 0000000000..0b0e721a43
--- /dev/null
+++ b/types/electron-packager/package.json
@@ -0,0 +1,8 @@
+{
+  "private": true,
+  "dependencies": {
+    "@electron/get": "^1.3.1",
+    "electron-notarize": "^0.1.1",
+    "electron-osx-sign": "^0.4.11"
+  }
+}