diff --git a/docs/astro.config.mjs b/docs/astro.config.mjs
index f36d427..272692c 100644
--- a/docs/astro.config.mjs
+++ b/docs/astro.config.mjs
@@ -15,6 +15,10 @@ export default defineConfig({
 	devToolbar: { enabled: false },
 	redirects: {
 		'/': '/en/',
+		// Bing/Yandex/IndexNow probe /sitemap.xml directly. Astro's sitemap
+		// integration emits sitemap-index.xml + sitemap-0.xml; add a 301 so
+		// either path resolves. Both are also referenced in robots.txt.
+		'/sitemap.xml': '/sitemap-index.xml',
 	},
 	integrations: [
 		AstroPWA({
diff --git a/docs/public/robots.txt b/docs/public/robots.txt
index 19f0a20..eeb2fa0 100644
--- a/docs/public/robots.txt
+++ b/docs/public/robots.txt
@@ -115,4 +115,9 @@ Allow: /
 Disallow: /api/
 
 # ── Sitemaps ───────────────────────────────────────────────────────────────
+# /sitemap.xml is a 301 to /sitemap-index.xml (Astro emits the index
+# automatically + one child sitemap-0.xml). Both URLs are listed so any
+# crawler that probes either path lands on the same content. Bing's
+# Webmaster Tools and IndexNow tend to look for /sitemap.xml literally.
+Sitemap: https://nibiru-framework.com/sitemap.xml
 Sitemap: https://nibiru-framework.com/sitemap-index.xml