diff --git a/types/angular-aria/angular-aria-tests.ts b/types/angular-aria/angular-aria-tests.ts
index f9e7b4c739..3c2f26c651 100644
--- a/types/angular-aria/angular-aria-tests.ts
+++ b/types/angular-aria/angular-aria-tests.ts
@@ -1,4 +1,18 @@
-function testConfig($aria: angular.aria.IAriaService): void {
+function testProvider($ariaProvider: angular.aria.IAriaProvider): void {
+    // $ExpectType void
+    $ariaProvider.config({ariaHidden: true});
+
+    // $ExpectType void
+    $ariaProvider.config({ariaChecked: true, ariaReadonly: false});
+
+    // $ExpectError
+    $ariaProvider.config({ariaDisabled: 44});
+
+    // $ExpectError
+    $ariaProvider.config({unknownkey: false});
+}
+
+function testService($aria: angular.aria.IAriaService): void {
     // $ExpectType boolean
     $aria.config('tabindex');
 
diff --git a/types/angular-aria/index.d.ts b/types/angular-aria/index.d.ts
index 9b56bf4dde..1c4ffad621 100644
--- a/types/angular-aria/index.d.ts
+++ b/types/angular-aria/index.d.ts
@@ -10,8 +10,19 @@ declare module 'angular' {
     namespace aria {
         type IAriaAttribute = 'ariaHidden'|'ariaChecked'|'ariaReadonly'|'ariaDisabled'|'ariaRequired'|'ariaInvalid'|'ariaValue'|'tabindex'|'bindKeydown'|'bindRoleForClick';
 
+        type IAriaProviderOptions = {
+            [key in IAriaAttribute]?: boolean;
+        };
+
         /**
-         * $aria service.
+         * $ariaProvider (https://docs.angularjs.org/api/ngAria/provider/$ariaProvider).
+         */
+        interface IAriaProvider {
+            config(config: IAriaProviderOptions): void;
+        }
+
+        /**
+         * $aria service (https://docs.angularjs.org/api/ngAria/service/$aria).
          */
         interface IAriaService {
             config(attribute: IAriaAttribute): boolean;