diff --git a/package.json b/package.json
index 6943127..4daef57 100644
--- a/package.json
+++ b/package.json
@@ -39,6 +39,7 @@
   "devDependencies": {
     "@types/electron-window-state": "^2.0.29",
     "@types/loglevel": "^1.4.30",
+    "@types/menubar": "^5.1.4",
     "@types/mousetrap": "^1.5.34",
     "@types/node": "^8.0.26",
     "browserify": "^14.4.0",
diff --git a/tsconfig.json b/tsconfig.json
index 98a0cae..5130458 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -11,7 +11,7 @@
     "noUnusedParameters": true,
     "noEmitOnError": true,
     "strictNullChecks": true,
-    "target": "es2015",
+    "target": "es2016",
     "sourceMap": true
   },
   "include": [
diff --git a/typings/electron-context-menu.d.ts b/typings/electron-context-menu.d.ts
index 0457c71..8fc2f24 100644
--- a/typings/electron-context-menu.d.ts
+++ b/typings/electron-context-menu.d.ts
@@ -3,12 +3,12 @@ declare namespace ElectronContextMenu {
         window?: Electron.BrowserWindow | Electron.WebviewTag;
         showInspectElement?: boolean;
         labels?: {
-            cut: string;
-            copy: string;
-            paste: string;
-            save: string;
-            copyLink: string;
-            inspect: string;
+            cut?: string;
+            copy?: string;
+            paste?: string;
+            save?: string;
+            copyLink?: string;
+            inspect?: string;
         };
         append?(...args: any[]): any;
         prepend?(params: any, win: Electron.BrowserWindow): Electron.MenuItem[];
diff --git a/typings/menubar.d.ts b/typings/menubar.d.ts
deleted file mode 100644
index f8f642c..0000000
--- a/typings/menubar.d.ts
+++ /dev/null
@@ -1,61 +0,0 @@
-declare namespace Menubar {
-    type Position
-        = 'trayLeft'
-        | 'trayBottomLeft'
-        | 'trayRight'
-        | 'trayBottomRight'
-        | 'trayCenter'
-        | 'trayBottomCenter'
-        | 'topLeft'
-        | 'topRight'
-        | 'bottomLeft'
-        | 'bottomRight'
-        | 'topCenter'
-        | 'bottomCenter'
-        | 'center';
-    type TrayBounds
-        = 'trayLeft'
-        | 'trayBottomLeft'
-        | 'trayRight'
-        | 'trayBottomRight'
-        | 'trayCenter'
-        | 'trayBottomCenter';
-    interface ElectronPositioner {
-        move(pos: Position): void;
-        calculate(pos: Position, bounds?: TrayBounds): Electron.Point;
-    }
-    class MenubarApp extends NodeJS.EventEmitter {
-        app: Electron.App;
-        window: Electron.BrowserWindow;
-        tray: Electron.Tray;
-        positioner: ElectronPositioner;
-
-        setOption(opt: string, value: any): void;
-        getOption(opt: string): any;
-        showWindow(): void;
-        hideWindow(): void;
-    }
-    interface MenubarOptions extends Electron.BrowserWindowConstructorOptions {
-        dir?: string;
-        index?: string;
-        tooltip?: string;
-        tray?: Electron.Tray;
-        icon?: string;
-        width?: number;
-        height?: number;
-        show?: boolean;
-        preloadWindow?: boolean;
-        alwaysOnTop?: boolean;
-        showOnAllWorkspaces?: boolean;
-        windowPosition?: Position;
-        showDockIcon?: boolean;
-        showOnRightClick?: boolean;
-        autoHideMenuBar?: boolean;
-        webPreferences?: Electron.WebPreferences;
-    }
-}
-
-declare module 'menubar' {
-    const ctor: (opts?: Menubar.MenubarOptions) => Menubar.MenubarApp;
-    export = ctor;
-}