diff --git a/index.d.ts b/index.d.ts
index bbab371..05fb002 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -118,6 +118,7 @@
     context?: CanvasRenderingContext2D;
     progressiveLoad?: boolean;
     preserveAspectRatio?: string;
+    dpr?: number;
 };
 
 export type HTMLRendererConfig = BaseRendererConfig & {