diff --git a/index.d.ts b/index.d.ts
index 6c4497cc77d9661f2d44a6be77792d88d863c8dd..d8d3dc3455bb0f5e6be7e87e81957bf7bb412f0e 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -76,7 +76,7 @@ declare module "react-native-fcm" {
     }
 
     export class FCM {
-        static requestPermissions(): void;
+        static requestPermissions(): Promise<void>;
         static getFCMToken(): Promise<string>;
         static on(event: "FCMTokenRefreshed", handler: (token: string) => void): Subscription;
         static on(event: "FCMNotificationReceived", handler: (notification: Notification) => void): Subscription;