diff --git a/types/react-text-mask/index.d.ts b/types/react-text-mask/index.d.ts
index 7ed81429e0..d598fcf711 100644
--- a/types/react-text-mask/index.d.ts
+++ b/types/react-text-mask/index.d.ts
@@ -1,10 +1,10 @@
-// Type definitions for react-text-mask 5.1
+// Type definitions for react-text-mask 5.4
 // Project: https://github.com/text-mask/text-mask
-// Definitions by: Guilherme Hübner <https://github.com/guilhermehubner>
+// Definitions by: Guilherme Hübner <https://github.com/guilhermehubner>, Deividi Cavarzan <https://github.com/cavarzan>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.6
 
-import * as React from "react";
+import * as React from 'react';
 
 export type maskArray = Array<string | RegExp>;
 
@@ -17,15 +17,17 @@ export interface MaskedInputProps extends React.InputHTMLAttributes<HTMLInputEle
 
     keepCharPositions?: boolean;
 
-    pipe?: (conformedValue: string, config: any) => false | string | { value: string, indexesOfPipedChars: number[] };
+    pipe?: (conformedValue: string, config: any) => false | string | { value: string; indexesOfPipedChars: number[] };
 
     showMask?: boolean;
+
+    render?: (ref: MaskedInput, props: any) => any;
 }
 
 export interface conformToMaskResult {
     conformedValue: string;
     meta: {
-        someCharsRejected: boolean
+        someCharsRejected: boolean;
     };
 }