diff --git a/types/plotly.js/index.d.ts b/types/plotly.js/index.d.ts
index 25dfee7967..93c6a95271 100644
--- a/types/plotly.js/index.d.ts
+++ b/types/plotly.js/index.d.ts
@@ -39,8 +39,19 @@ export interface PlotScatterDataPoint {
 	yaxis: LayoutAxis;
 }
 
+export interface PlotDatum {
+	curveNumber: number;
+	data: PlotData;
+	pointIndex: number;
+	pointNumber: number;
+	x: Datum;
+	xaxis: LayoutAxis;
+	y: Datum;
+	yaxis: LayoutAxis;
+}
+
 export interface PlotMouseEvent {
-	points: PlotScatterDataPoint[];
+	points: PlotDatum[];
 	event: MouseEvent;
 }
 
@@ -55,10 +66,10 @@ export interface SelectionRange {
 	y: number[];
 }
 
-export type PlotSelectedData = Partial<PlotScatterDataPoint>;
+export type PlotSelectedData = Partial<PlotDatum>;
 
 export interface PlotSelectionEvent {
-	points: PlotScatterDataPoint[];
+	points: PlotDatum[];
 	range?: SelectionRange;
 	lassoPoints?: SelectionRange;
 }
diff --git a/types/plotly.js/test/core-tests.ts b/types/plotly.js/test/core-tests.ts
index 6e35de55c6..ba48a8ee03 100644
--- a/types/plotly.js/test/core-tests.ts
+++ b/types/plotly.js/test/core-tests.ts
@@ -1,5 +1,5 @@
 import * as Plotly from 'plotly.js/lib/core';
-import { ScatterData, Layout, PlotlyHTMLElement, newPlot } from 'plotly.js/lib/core';
+import { Datum, ScatterData, Layout, PlotlyHTMLElement, newPlot } from 'plotly.js/lib/core';
 
 const graphDiv = '#test';
 
@@ -336,8 +336,8 @@ function rand() {
 	});
 
 	myPlot.on('plotly_selected', (data) => {
-		const x = [] as number[];
-		const y = [] as number[];
+		const x = [] as Datum[];
+		const y = [] as Datum[];
 		const N = 1000;
 		const color1 = '#7b3294';
 		const color1Light = '#c2a5cf';
diff --git a/types/plotly.js/test/index-tests.ts b/types/plotly.js/test/index-tests.ts
index d4b274b321..89786a5375 100644
--- a/types/plotly.js/test/index-tests.ts
+++ b/types/plotly.js/test/index-tests.ts
@@ -1,5 +1,5 @@
 import * as Plotly from 'plotly.js';
-import { Layout, PlotData, PlotlyHTMLElement, newPlot } from 'plotly.js';
+import { Datum, Layout, PlotData, PlotlyHTMLElement, newPlot } from 'plotly.js';
 
 const graphDiv = '#test';
 
@@ -446,8 +446,8 @@ function rand() {
 	});
 
 	myPlot.on('plotly_selected', (data) => {
-		const x = [] as number[];
-		const y = [] as number[];
+		const x = [] as Datum[];
+		const y = [] as Datum[];
 		const N = 1000;
 		const color1 = '#7b3294';
 		const color1Light = '#c2a5cf';