diff --git a/chart.js/index.d.ts b/chart.js/index.d.ts
index 0830e68498..08781f4463 100644
--- a/chart.js/index.d.ts
+++ b/chart.js/index.d.ts
@@ -103,6 +103,7 @@ declare namespace Chart {
         animation?: ChartAnimationOptions;
         elements?: ChartElementsOptions;
         scales?: ChartScales;
+        cutoutPercentage?: number;
     }
 
     export interface ChartFontOptions {