diff --git a/src/sitemap.njk b/src/sitemap.njk
new file mode 100644
index 0000000..dcf2922
--- /dev/null
+++ b/src/sitemap.njk
@@ -0,0 +1,14 @@
+---
+permalink: /sitemap.xml
+eleventyExcludeFromCollections: true
+---
+<?xml version="1.0" encoding="utf-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  {% for page in collections.all %}
+    <url>
+      <loc>{{ base }}{{ page.url | url }}</loc>
+      <lastmod>{{ page.date.toISOString() }}</lastmod>
+      <changefreq>{{ page.data.changeFreq if page.data.changeFreq else "monthly" }}</changefreq>
+    </url>
+  {% endfor %}
+</urlset>