diff --git a/eleventy.config.js b/eleventy.config.js
index 2fafc17..bc65150 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -12,6 +12,7 @@ module.exports = function(eleventyConfig) {
     eleventyConfig.addPassthroughCopy("css/fonts");
     eleventyConfig.addPassthroughCopy("js");
     eleventyConfig.addPassthroughCopy("LICENSE.txt");
+    eleventyConfig.addPassthroughCopy("robots.txt");
 
     eleventyConfig.addNunjucksFilter("values", obj => Object.values(obj));
 
diff --git a/robots.txt b/robots.txt
new file mode 100644
index 0000000..d8c0bd3
--- /dev/null
+++ b/robots.txt
@@ -0,0 +1,13 @@
+User-agent: GPTBot
+Disallow: /
+
+User-agent: Google-Extended
+Disallow: /
+
+User-agent: CCBot
+Disallow: /
+
+User-agent: ia_archiver
+Allow: /
+Disallow: /guestbook.html
+Disallow: /es/libro-de-visitas.html