diff --git a/vaadin-dashboard-flow-parent/vaadin-dashboard-flow/src/main/java/com/vaadin/flow/component/dashboard/Dashboard.java b/vaadin-dashboard-flow-parent/vaadin-dashboard-flow/src/main/java/com/vaadin/flow/component/dashboard/Dashboard.java
index 98cd25c1fe2..7354edcd134 100644
--- a/vaadin-dashboard-flow-parent/vaadin-dashboard-flow/src/main/java/com/vaadin/flow/component/dashboard/Dashboard.java
+++ b/vaadin-dashboard-flow-parent/vaadin-dashboard-flow/src/main/java/com/vaadin/flow/component/dashboard/Dashboard.java
@@ -23,6 +23,7 @@
 import com.vaadin.flow.component.AttachEvent;
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.ComponentEventListener;
+import com.vaadin.flow.component.HasSize;
 import com.vaadin.flow.component.Tag;
 import com.vaadin.flow.component.dependency.JsModule;
 import com.vaadin.flow.component.dependency.NpmPackage;
@@ -41,7 +42,7 @@
 @JsModule("@vaadin/dashboard/src/vaadin-dashboard.js")
 @JsModule("./flow-component-renderer.js")
 // @NpmPackage(value = "@vaadin/dashboard", version = "24.6.0-alpha0")
-public class Dashboard extends Component implements HasWidgets {
+public class Dashboard extends Component implements HasWidgets, HasSize {
 
     private final List<Component> childrenComponents = new ArrayList<>();