diff --git a/github-electron/github-electron-main-tests.ts b/github-electron/github-electron-main-tests.ts
index df20d5a54..4ab87bea9 100644
--- a/github-electron/github-electron-main-tests.ts
+++ b/github-electron/github-electron-main-tests.ts
@@ -239,11 +239,17 @@ app.commandLine.appendSwitch('vmodule', 'console=0');
 // https://github.com/atom/electron/blob/master/docs/api/auto-updater.md
 
 autoUpdater.setFeedURL('http://mycompany.com/myapp/latest?version=' + app.getVersion());
-
 autoUpdater.checkForUpdates();
-
 autoUpdater.quitAndInstall();
 
+autoUpdater.on('error', (error) => {
+	console.log('error', error);
+});
+
+autoUpdater.on('update-downloaded', (event, releaseNotes, releaseName, releaseDate, updateURL) => {
+	console.log('update-downloaded', releaseNotes, releaseName, releaseDate, updateURL);
+});
+
 // browser-window
 // https://github.com/atom/electron/blob/master/docs/api/browser-window.md
 
diff --git a/github-electron/github-electron.auto-updater.d.ts b/github-electron/github-electron.auto-updater.d.ts
index bcb0ca951..48d4e22f4 100644
--- a/github-electron/github-electron.auto-updater.d.ts
+++ b/github-electron/github-electron.auto-updater.d.ts
@@ -6,8 +6,32 @@
 /// <reference path="github-electron.event-emitter.d.ts" />
 
 declare namespace Electron {
-
+	/**
+	 * This module provides an interface for the Squirrel auto-updater framework.
+	 */
 	class AutoUpdater extends EventEmitter {
+		/**
+		 * Emitted when there is an error while updating.
+		 */
+		on(event: 'error', listener: (error: Error) => void): this;
+		/**
+		 * Emitted when checking if an update has started.
+		 */
+		on(event: 'checking-for-update', listener: Function): this;
+		/**
+		 * Emitted when there is an available update. The update is downloaded automatically.
+		 */
+		on(event: 'update-available', listener: Function): this;
+		/**
+		 * Emitted when there is no available update.
+		 */
+		on(event: 'update-not-available', listener: Function): this;
+		/**
+		 * Emitted when an update has been downloaded.
+		 * Note: On Windows only releaseName is available.
+		 */
+		on(event: 'update-downloaded', listener: (event: Event, releaseNotes: string, releaseName: string, releaseDate: Date, updateURL: string) => void): this;
+		on(event: string, listener: Function): this;
 		/**
 		 * Set the url and initialize the auto updater.
 		 * The url cannot be changed once it is set.
@@ -22,6 +46,6 @@ declare namespace Electron {
 		 * Restarts the app and installs the update after it has been downloaded.
 		 * It should only be called after update-downloaded has been emitted.
 		 */
-		 quitAndInstall(): void;
+		quitAndInstall(): void;
 	}
 }