diff --git a/src/index.ts b/src/index.ts
index f0104c11..49761a4c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,8 +1,9 @@
 import CalHeatmap from './CalHeatmap';
 import * as constants from './constants';
 import * as positionHelpers from './helpers/PositionHelper';
+import * as scaleHelpers from './helpers/ScaleHelper';
 
-const helpers = { position: positionHelpers };
+const helpers = { position: positionHelpers, scale: scaleHelpers };
 
 export default CalHeatmap;
 export { constants, helpers };