diff --git a/types/plotly.js/index.d.ts b/types/plotly.js/index.d.ts
index 101d3678a0..089461ead3 100644
--- a/types/plotly.js/index.d.ts
+++ b/types/plotly.js/index.d.ts
@@ -220,6 +220,7 @@ export function deleteFrames(root: Root, frames: number[]): Promise<PlotlyHTMLEl
 
 // Layout
 export interface Layout {
+	colorway: string[];
 	title: string | Partial<{
 		text: string;
 		font: Partial<Font>;