diff --git a/next.config.ts b/next.config.ts
new file mode 100644
index 0000000000..d402a79e54
--- /dev/null
+++ b/next.config.ts
@@ -0,0 +1,23 @@
+// Headers for cross-origin isolation mode, required when you're using @motherduck/wasm-client
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  async headers() {
+    return [
+      {
+        source: "/:path*",
+        headers: [
+          {
+            key: 'Cross-Origin-Opener-Policy',
+            value: 'same-origin',
+          },
+          {
+            key: 'Cross-Origin-Embedder-Policy',
+            value: 'require-corp',
+          },
+        ],
+      },
+    ]
+  },
+}
+
+export default nextConfig;