diff --git a/angularjs/angular-tests.ts b/angularjs/angular-tests.ts
index 1994e2af47..b171da9c14 100644
--- a/angularjs/angular-tests.ts
+++ b/angularjs/angular-tests.ts
@@ -29,7 +29,7 @@ angular.module('http-auth-interceptor', [])
 
       this.$get = ['$rootScope', '$injector', <any>function ($rootScope: ng.IScope, $injector: ng.auto.IInjectorService) {
             var $http: ng.IHttpService; //initialized later because of circular dependency problem
-            function retry(config: ng.IRequestConfig, deferred: ng.IDeferred) {
+            function retry(config: ng.IRequestConfig, deferred: ng.IDeferred<any>) {
                 $http = $http || $injector.get('$http');
                 $http(config).then(function (response) {
                     deferred.resolve(response);
@@ -118,17 +118,17 @@ module HttpAndRegularPromiseTests {
                 $scope.person = response.data;
             });
 
-        var aPromise: ng.IPromise = $q.when({ firstName: "Jack", lastName: "Sparrow" });
+        var aPromise: ng.IPromise<Person> = $q.when({ firstName: "Jack", lastName: "Sparrow" });
         aPromise.then((person: Person) => {
             $scope.person = person;
         });
 
-        var bPromise: ng.IPromise = $q.when(42);
+        var bPromise: ng.IPromise<number> = $q.when(42);
         bPromise.then((answer: number) => {
             $scope.theAnswer = answer;
         });
 
-        var cPromise: ng.IPromise = $q.when(["a", "b", "c"]);
+        var cPromise: ng.IPromise<string[]> = $q.when(["a", "b", "c"]);
         cPromise.then((letters: string[]) => {
             $scope.letters = letters;
         });
diff --git a/angularjs/angular.d.ts b/angularjs/angular.d.ts
index bd58db401f..3e3008f32b 100644
--- a/angularjs/angular.d.ts
+++ b/angularjs/angular.d.ts
@@ -239,8 +239,8 @@ declare module ng {
     // see http://docs.angularjs.org/api/ng.$timeout
     ///////////////////////////////////////////////////////////////////////////
     interface ITimeoutService {
-        (func: Function, delay?: number, invokeApply?: boolean): IPromise;
-        cancel(promise: IPromise): boolean;
+        (func: Function, delay?: number, invokeApply?: boolean): IPromise<any>;
+        cancel(promise: IPromise<any>): boolean;
     }
 
     ///////////////////////////////////////////////////////////////////////////
@@ -399,20 +399,20 @@ declare module ng {
     // see http://docs.angularjs.org/api/ng.$q
     ///////////////////////////////////////////////////////////////////////////
     interface IQService {
-        all(promises: IPromise[]): IPromise;
-        defer(): IDeferred;
-        reject(reason?: any): IPromise;
-        when(value: any): IPromise;
+        all(promises: IPromise<any>[]): IPromise<any[]>;
+        defer<T>(): IDeferred<T>;
+        reject(reason?: any): IPromise<void>;
+        when<T>(value: T): IPromise<T>;
     }
 
-    interface IPromise {
-        then(successCallback: (promiseValue: any) => any, errorCallback?: (reason: any) => any): IPromise;
+    interface IPromise<T> {
+        then(successCallback: (promiseValue: T) => any, errorCallback?: (reason: any) => any): IPromise<any>;
     }
 
-    interface IDeferred {
-        resolve(value?: any): void;
+    interface IDeferred<T> {
+        resolve(value?: T): void;
         reject(reason?: any): void;
-        promise: IPromise;
+        promise: IPromise<T>;
     }
 
     ///////////////////////////////////////////////////////////////////////////
@@ -548,10 +548,10 @@ declare module ng {
         config?: IRequestConfig;
     }
 
-    interface IHttpPromise<T> extends IPromise {
+    interface IHttpPromise<T> extends IPromise<T> {
         success(callback: IHttpPromiseCallback<T>): IHttpPromise;
         error(callback: IHttpPromiseCallback<T>): IHttpPromise;
-        then(successCallback: (response: IHttpPromiseCallbackArg<T>) => any, errorCallback?: (response: IHttpPromiseCallbackArg<T>) => any): IPromise;
+        then(successCallback: (response: IHttpPromiseCallbackArg<T>) => any, errorCallback?: (response: IHttpPromiseCallbackArg<T>) => any): IPromise<any>;
     }
 
     interface IHttpProvider extends IServiceProvider {