diff --git a/components/layout/Banner.tsx b/components/layout/Banner.tsx
index a318098ac..bd9e63286 100644
--- a/components/layout/Banner.tsx
+++ b/components/layout/Banner.tsx
@@ -2,21 +2,21 @@ import Link from "next/link";
 import { Banner as FumadocsBanner } from "fumadocs-ui/components/banner";
 
 export function Banner() {
-  return null;
-  // return (
-  //   <FumadocsBanner
-  //     id="fd-top-banner-town-hall-2026-q2"
-  //     height="2rem"
-  //     className="bg-black text-white [&_a]:text-white [&_button]:text-white"
-  //   >
-  //     <Link href="https://luma.com/7dny2x72">
-  //       <span className="sm:hidden">
-  //         [Virtual] Langfuse Town Hall · Jun 11 →
-  //       </span>
-  //       <span className="hidden sm:inline">
-  //         [Virtual] Langfuse Town Hall · Jun 11, 9am PT: V4, Releases, Roadmap →
-  //       </span>
-  //     </Link>
-  //   </FumadocsBanner>
-  // );
+  return (
+    <FumadocsBanner
+      id="fd-top-banner-ai-engineer-world-fair-2026"
+      height="2rem"
+      className="bg-black text-white [&_a]:text-white [&_button]:text-white"
+    >
+      <Link href="https://www.ai.engineer/worldsfair">
+        <span className="sm:hidden">
+          Langfuse @ AI Engineer · Booth LG-39 →
+        </span>
+        <span className="hidden sm:inline">
+          Langfuse @ AI Engineer World Fair in San Francisco · Find us at booth
+          LG-39 →
+        </span>
+      </Link>
+    </FumadocsBanner>
+  );
 }