diff --git a/angularjs/angular.d.ts b/angularjs/angular.d.ts
index eb826fa48..6cae1bf22 100755
--- a/angularjs/angular.d.ts
+++ b/angularjs/angular.d.ts
@@ -1414,6 +1414,7 @@ declare module angular {
     * https://docs.angularjs.org/api/ng/service/$http#defaults
     */
     interface IHttpProviderDefaults {
+    	cache?: true;
         xsrfCookieName?: string;
         xsrfHeaderName?: string;
         withCredentials?: boolean;