diff --git a/src/components/site-header/hy-desktop-menu-links/hy-desktop-menu-links.tsx b/src/components/site-header/hy-desktop-menu-links/hy-desktop-menu-links.tsx
index 323d9b3720fcd7fdac52cfe9bdac0d9c8706071c..9c3e017bef6c1a49dfb6d5c04680c19ec8960b2f 100644
--- a/src/components/site-header/hy-desktop-menu-links/hy-desktop-menu-links.tsx
+++ b/src/components/site-header/hy-desktop-menu-links/hy-desktop-menu-links.tsx
@@ -48,9 +48,11 @@ export class HyDesktopMenuLinks {
     // Reset elements by removing the active classes.
     menuItems.forEach((item) => {
       item.classList.remove('desktop-menu-link--is-active');
+      item.setAttribute('aria-expanded', 'false');
     });
     menuPanelItems.forEach((item) => {
       item.classList.remove('hy-desktop-menu-panel--is-active');
+      item.setAttribute('aria-hidden', 'true');
     });
   }
 
@@ -69,14 +71,18 @@ export class HyDesktopMenuLinks {
     // Reset elements by removing the active classes.
     menuItems.forEach((item) => {
       item.classList.remove('desktop-menu-link--is-active');
+      item.setAttribute('aria-expanded', 'false');
     });
     menuPanelItems.forEach((item) => {
       item.classList.remove('hy-desktop-menu-panel--is-active');
+      item.setAttribute('aria-hidden', 'true');
     });
 
     // Add active classes to the currently active item and its sibling element.
     activeMenuItem.classList.add('desktop-menu-link--is-active');
+    activeMenuItem.setAttribute('aria-expanded', 'true');
     activeMenuItemSibling.classList.add('hy-desktop-menu-panel--is-active');
+    activeMenuItemSibling.setAttribute('aria-hidden', 'false');
   }
 
   componentDidLoad() {
@@ -93,13 +99,14 @@ export class HyDesktopMenuLinks {
             link-id={id}
             onMouseOver={() => this.handleDesktopMenuToggle(id)}
             onFocus={() => this.handleDesktopMenuToggle(id)}
+            aria-expanded="false"
           >
             {label}
             <span class="desktop-menu-link__heading__icon">
               <hy-icon icon={'hy-icon-caret-down'} size={16} />
             </span>
           </button>
-          <div class="hy-desktop-menu-panel" onMouseLeave={() => this.handleDesktopMenuClose()}>
+          <div class="hy-desktop-menu-panel" onMouseLeave={() => this.handleDesktopMenuClose()} aria-hidden="true">
             <div class="hy-desktop-menu-panel__desktop-menu">
               <a aria-current={label} href={url} class="" menu-link-id={id}>
                 <span class="heading-icon-first">
@@ -152,7 +159,7 @@ export class HyDesktopMenuLinks {
               class={{
                 'hy-desktop-menu-panel__panel-toggle': true,
               }}
-              aria-label="close"
+              aria-label="Close menu"
             >
               <span class="hy-desktop-menu-panel__panel-toggle__label">
                 CLOSE