diff --git a/types/react-text-mask/index.d.ts b/types/react-text-mask/index.d.ts
index f45e34beef..92873b3a08 100644
--- a/types/react-text-mask/index.d.ts
+++ b/types/react-text-mask/index.d.ts
@@ -8,7 +8,7 @@
 
 import * as React from "react";
 
-export type maskArray = Array<string | RegExp>;
+export type maskArray = Array<string | RegExp> | boolean;
 
 export interface MaskedInputProps
     extends React.InputHTMLAttributes<HTMLInputElement> {