diff --git a/types/plotly.js/index.d.ts b/types/plotly.js/index.d.ts
index 6b55bcdf65..4a03541820 100644
--- a/types/plotly.js/index.d.ts
+++ b/types/plotly.js/index.d.ts
@@ -178,6 +178,7 @@ export interface ToImgopts {
 	format: 'jpeg' | 'png' | 'webp' | 'svg';
 	width: number;
 	height: number;
+	scale?: number;
 }
 
 export interface DownloadImgopts {
diff --git a/types/plotly.js/test/core-tests.ts b/types/plotly.js/test/core-tests.ts
index fb44e77450..fece5136b6 100644
--- a/types/plotly.js/test/core-tests.ts
+++ b/types/plotly.js/test/core-tests.ts
@@ -265,6 +265,17 @@ function rand() {
 })();
 //////////////////////////////////////////////////////////////////////
 
+//////////////////////////////////////////////////////////////////////
+// Plotly.toImage + scale parameter
+(() => {
+	// Plotly.toImage will turn the plot in the given div into a data URL string
+	// toImage takes the div as the first argument and an object specifying image properties as the other
+	Plotly.toImage(graphDiv, { format: 'png', width: 800, height: 600, scale: 2 }).then((dataUrl) => {
+		// use the dataUrl
+	});
+})();
+//////////////////////////////////////////////////////////////////////
+
 //////////////////////////////////////////////////////////////////////
 // Plotly.downloadImage
 (() => {