diff --git a/chrome/chrome.d.ts b/chrome/chrome.d.ts
index 9d3b9451c..5b4c282c0 100755
--- a/chrome/chrome.d.ts
+++ b/chrome/chrome.d.ts
@@ -1831,6 +1831,7 @@ declare module chrome.tabs {
     export function create(createProperties: CreateProperties, callback?: (tab: Tab) => void): void;
     export function move(tabId: number, moveProperties: MoveProperties, callback?: (tab: Tab) => void): void;
     export function move(tabIds: number[], moveProperties: MoveProperties, callback?: (tabs: Tab[]) => void): void;
+    export function update(updateProperties: UpdateProperties, callback?: (tab?: Tab) => void): void;
     export function update(tabId: number, updateProperties: UpdateProperties, callback?: (tab?: Tab) => void): void;
     export function remove(tabId: number, callback?: Function): void;
     export function remove(tabIds: number[], callback?: Function): void;