diff --git a/types/react-native-touch-id/index.d.ts b/types/react-native-touch-id/index.d.ts
index f1fc4f7a71..e222b87b59 100644
--- a/types/react-native-touch-id/index.d.ts
+++ b/types/react-native-touch-id/index.d.ts
@@ -1,6 +1,7 @@
-// Type definitions for react-native-touch-id 3.0.0
+// Type definitions for react-native-touch-id 4.0.0
 // Project: https://github.com/naoufal/react-native-touch-id
 // Definitions by: huhuanming <https://github.com/huhuanming>
+//                 Nikolay Polukhin <https://github.com/gazaret>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 declare module 'react-native-touch-id' {
@@ -13,6 +14,11 @@ declare module 'react-native-touch-id' {
     details: any;
   }
 
-  export const isSupported: () => Promise<boolean | TouchIDError>;
-  export const authenticate: (reason: string) => Promise<boolean | TouchIDError>;
+  export interface AuthenticateConfig {
+    title: string;
+    color: string;
+  }
+
+  export const isSupported: () => Promise<boolean | string | TouchIDError>;
+  export const authenticate: (reason: string, config?: AuthenticateConfig) => Promise<boolean | TouchIDError>;
 }
diff --git a/types/react-native-touch-id/react-native-touch-id-tests.ts b/types/react-native-touch-id/react-native-touch-id-tests.ts
index 0b431ecc85..8ad30c1390 100644
--- a/types/react-native-touch-id/react-native-touch-id-tests.ts
+++ b/types/react-native-touch-id/react-native-touch-id-tests.ts
@@ -3,3 +3,8 @@ import { isSupported, authenticate, TouchIDError } from 'react-native-touch-id';
 isSupported().then((isOk: boolean) => {}).catch((error: TouchIDError) => {});
 
 authenticate('reason').then((isOk: boolean) => {}).catch((error: TouchIDError) => {});
+
+authenticate('reason', {
+    title: 'Authentication Required',
+    color: '#1306ff'
+}).then((isOk: boolean) => {}).catch((error: TouchIDError) => {});