diff --git a/_data/robots_disallow.yml b/_data/robots_disallow.yml
new file mode 100644
index 0000000..b5fbe1d
--- /dev/null
+++ b/_data/robots_disallow.yml
@@ -0,0 +1 @@
+- path: "/404.html"
diff --git a/_pages/robots.txt b/_pages/robots.txt
index c4c4d2c..7ad8e77 100644
--- a/_pages/robots.txt
+++ b/_pages/robots.txt
@@ -5,6 +5,9 @@ layout: null
 
 User-agent: *
 Allow: {{ site.baseurl | relative_url | uri_escape }}
-Disallow: {{ "/404.html" | relative_url | uri_escape }}
 
-Sitemap: {{ "sitemap.xml" | absolute_url | uri_escape }}
\ No newline at end of file
+{% for link in site.data.robots_disallow %}
+  Disallow: {{ link.path | relative_url | uri_escape }}
+{% endfor %}
+
+Sitemap: {{ "sitemap.xml" | absolute_url | uri_escape }}