diff --git a/frontend/src/lib/components/header/MobileMenu.svelte b/frontend/src/lib/components/header/MobileMenu.svelte
index e4f6bfd..fbecadb 100644
--- a/frontend/src/lib/components/header/MobileMenu.svelte
+++ b/frontend/src/lib/components/header/MobileMenu.svelte
@@ -221,6 +221,7 @@
 							class:hidden={shouldHideMenuItem(link.route)}
 							on:click={() => (visible = false)}
 							target={link.external ? '_blank' : '_self'}
+							rel={link.external ? 'noreferrer' : undefined}
 							href={link.route}
 						>
 							<div class="flex-shrink-0 mr-3 text-white dark:text-highlight-blue">
diff --git a/frontend/src/lib/components/header/ProfileMenu.svelte b/frontend/src/lib/components/header/ProfileMenu.svelte
index 73404c6..e8c6e96 100644
--- a/frontend/src/lib/components/header/ProfileMenu.svelte
+++ b/frontend/src/lib/components/header/ProfileMenu.svelte
@@ -120,6 +120,7 @@
 							: 'hover:shadow-md hover:bg-highlight-blue/80 dark:hover:bg-highlight-blue/20'}"
 						class:hidden={shouldHideMenuItem(item.route)}
 						target={item.external ? '_blank' : '_self'}
+						rel={item.external ? 'noreferrer' : undefined}
 						draggable="false"
 						on:click={() => {
 							visible = false;