diff --git a/types/cropperjs/index.d.ts b/types/cropperjs/index.d.ts
index 60b508dd8f..30556e11fc 100644
--- a/types/cropperjs/index.d.ts
+++ b/types/cropperjs/index.d.ts
@@ -312,19 +312,19 @@ declare namespace cropperjs {
         /**
          * the offset left of the crop box
          */
-        left?: number;
+        left: number;
         /**
          * the offset top of the crop box
          */
-        top?: number;
+        top: number;
         /**
          * the width of the crop box
          */
-        width?: number;
+        width: number;
         /**
          * the height of the crop box
          */
-        height?: number;
+        height: number;
     }
     interface CanvasData {
         /**
@@ -516,7 +516,7 @@ declare class cropperjs {
     /**
      * Change the cropped area position and size with new data (base on the original image).
      */
-    setData(data: cropperjs.Data): void;
+    setData(data: Partial<cropperjs.Data>): void;
 
     /**
      * Output the container size data.
@@ -545,7 +545,7 @@ declare class cropperjs {
     /**
      * Change the canvas (image wrapper) position and size with new data.
      */
-    setCanvasData(data: cropperjs.CanvasData): void;
+    setCanvasData(data: Partial<cropperjs.CanvasData>): void;
 
     /**
      * Output the crop box position and size data.
@@ -555,7 +555,7 @@ declare class cropperjs {
     /**
      * Change the crop box position and size with new data.
      */
-    setCropBoxData(data: cropperjs.CropBoxData): void;
+    setCropBoxData(data: Partial<cropperjs.CropBoxData>): void;
 
     /**
      * Get a canvas drawn the cropped image.