diff --git a/packages/checkbox/src/vaadin-checkbox-mixin.js b/packages/checkbox/src/vaadin-checkbox-mixin.js
index 2c920105cf..41bca02b79 100644
--- a/packages/checkbox/src/vaadin-checkbox-mixin.js
+++ b/packages/checkbox/src/vaadin-checkbox-mixin.js
@@ -86,7 +86,7 @@ export const CheckboxMixin = (superclass) =>
 
     /** @override */
     static get delegateAttrs() {
-      return [...super.delegateAttrs, 'name', 'invalid'];
+      return [...super.delegateAttrs, 'name', 'invalid', 'required'];
     }
 
     constructor() {
diff --git a/packages/checkbox/test/dom/__snapshots__/checkbox.test.snap.js b/packages/checkbox/test/dom/__snapshots__/checkbox.test.snap.js
index 7f6f89cffe..2514d2af01 100644
--- a/packages/checkbox/test/dom/__snapshots__/checkbox.test.snap.js
+++ b/packages/checkbox/test/dom/__snapshots__/checkbox.test.snap.js
@@ -195,6 +195,7 @@ snapshots["vaadin-checkbox host required"] =
   </div>
   <input
     id="input-vaadin-checkbox-3"
+    required=""
     slot="input"
     tabindex="0"
     type="checkbox"