diff --git a/react-input-range.d.ts b/react-input-range.d.ts
index b7aab22..b2b13e5 100644
--- a/react-input-range.d.ts
+++ b/react-input-range.d.ts
@@ -19,6 +19,7 @@ export interface InputRangeClassNames {
 }
 
 export interface InputRangeProps {
+  allowSameValues?: boolean;
   ariaLabelledby?: string;
   ariaControls?: string;
   classNames?: InputRangeClassNames;