diff --git a/packages/main/src/CheckBox.hbs b/packages/main/src/CheckBox.hbs
index 8d56a887859f..c15134b282e3 100644
--- a/packages/main/src/CheckBox.hbs
+++ b/packages/main/src/CheckBox.hbs
@@ -20,12 +20,12 @@
 
 	{{#if isDisplayOnly}}
 		<div class="ui5-checkbox-display-only-icon-inner">
-			<ui5-icon aria-hidden="true" name={{displayOnlyIcon}} class="ui5-checkbox-display-only-icon"></ui5-icon>
+			<ui5-icon aria-hidden="true" name={{displayOnlyIcon}} class="ui5-checkbox-display-only-icon" part="icon"></ui5-icon>
 		</div>
 	{{else}}
 		<div id="{{_id}}-CbBg" class="ui5-checkbox-inner">
 			{{#if isCompletelyChecked}}
-				<ui5-icon aria-hidden="true" name="accept" class="ui5-checkbox-icon"></ui5-icon>
+				<ui5-icon aria-hidden="true" name="accept" class="ui5-checkbox-icon" part="icon"></ui5-icon>
 			{{/if}}
 		</div>
 	{{/if}}
diff --git a/packages/main/src/CheckBox.ts b/packages/main/src/CheckBox.ts
index a69a4c5c7760..6c43d5c34d49 100644
--- a/packages/main/src/CheckBox.ts
+++ b/packages/main/src/CheckBox.ts
@@ -75,6 +75,7 @@ let activeCb: CheckBox;
  * @public
  * @csspart root - Used to style the outermost wrapper of the `ui5-checkbox`
  * @csspart label - Used to style the label of the `ui5-checkbox`
+ * @csspart icon - Used to style the icon of the `ui5-checkbox`
  */
 @customElement({
 	tag: "ui5-checkbox",