diff --git a/index.d.ts b/index.d.ts
index 331b8f2d..16422aa8 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -71,6 +71,8 @@ export interface MultiProviderOptions extends ProviderOptions {
   clientCount?: number
 }
 
+export type ApsNotificationInterruptionLevel = 'passive' | 'active' | 'time-sensitive' | 'critical';
+
 interface ApsAlert {
   body?: string
   "loc-key"?: string
@@ -97,6 +99,8 @@ interface Aps {
   "mutable-content"?: undefined | 1
   "url-args"?: string[]
   category?: string
+  targetContentIdentifier?: string
+  interruptionLevel?: ApsNotificationInterruptionLevel
 }
 
 export interface ResponseSent {
@@ -209,6 +213,8 @@ export class Notification {
   public collapseId: string;
   public pushType: NotificationPushType;
   public threadId: string;
+  public targetContentIdentifier: string;
+  public interruptionLevel: ApsNotificationInterruptionLevel;
 
   /**
    * This Object is JSON encoded and sent as the notification payload. When properties have been set on notification.aps (either directly or with convenience setters) these are added to the payload just before it is sent. If payload already contains an aps property it is replaced.
@@ -232,7 +238,7 @@ export class Notification {
   /**
    * The value to specify for `payload.aps.alert` can be either a `String` or an `Object` as outlined by the payload documentation.
    */
-  public alert: string|NotificationAlertOptions;
+  public alert: string | NotificationAlertOptions;
   /**
    * Setting this to true will specify "content-available" in the payload when it is compiled.
    */