diff --git a/docusaurus.config.ts b/docusaurus.config.ts
index 8c4e13556..bed91caad 100644
--- a/docusaurus.config.ts
+++ b/docusaurus.config.ts
@@ -125,6 +125,14 @@ const config: Config = {
       theme: prismThemes.github,
       darkTheme: prismThemes.dracula,
     },
+    announcementBar: {
+      id: 'under_construction',
+      content:
+        'This site is under construction. Please visit <a href="https://osbuild.org">https://osbuild.org</a> for the live website.',
+      backgroundColor: '#fafbfc',
+      textColor: '#091E42',
+      isCloseable: false,
+    },
   } satisfies Preset.ThemeConfig,
 };