diff --git a/packages/@headlessui-react/src/components/tabs/tabs.tsx b/packages/@headlessui-react/src/components/tabs/tabs.tsx
index 11357b5d81..9c18dc32bd 100644
--- a/packages/@headlessui-react/src/components/tabs/tabs.tsx
+++ b/packages/@headlessui-react/src/components/tabs/tabs.tsx
@@ -589,7 +589,7 @@ function PanelFn<TTag extends ElementType = typeof DEFAULT_PANEL_TAG>(
   }
 
   if (!selected && (theirProps.unmount ?? true) && !(theirProps.static ?? false)) {
-    return <Hidden as="span" {...ourProps} />
+    return <Hidden as="span" aria-hidden="true" {...ourProps} />
   }
 
   return render({
diff --git a/packages/@headlessui-vue/src/components/tabs/tabs.ts b/packages/@headlessui-vue/src/components/tabs/tabs.ts
index 915ef38a0b..9a5ff635a6 100644
--- a/packages/@headlessui-vue/src/components/tabs/tabs.ts
+++ b/packages/@headlessui-vue/src/components/tabs/tabs.ts
@@ -528,7 +528,7 @@ export let TabPanel = defineComponent({
       }
 
       if (!selected.value && props.unmount && !props.static) {
-        return h(Hidden, { as: 'span', ...ourProps })
+        return h(Hidden, { as: 'span', 'aria-hidden': true, ...ourProps })
       }
 
       return render({