diff --git a/docs/.eleventy.js b/docs/.eleventy.js
index 830ac693eb8..20d8f223240 100644
--- a/docs/.eleventy.js
+++ b/docs/.eleventy.js
@@ -49,6 +49,7 @@ module.exports = function(eleventyConfig) {
 
     eleventyConfig.addGlobalData("site_name", siteName);
     eleventyConfig.addGlobalData("GIT_BRANCH", process.env.BRANCH);
+    eleventyConfig.addGlobalData("NOINDEX", process.env.BRANCH !== "latest");
     eleventyConfig.addDataExtension("yml", contents => yaml.load(contents));
 
     //------------------------------------------------------------------------------
diff --git a/docs/src/_includes/layouts/base.html b/docs/src/_includes/layouts/base.html
index 29b1568ac34..1c5941a0ee1 100644
--- a/docs/src/_includes/layouts/base.html
+++ b/docs/src/_includes/layouts/base.html
@@ -5,6 +5,9 @@
     <meta charset="UTF-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    {% if NOINDEX %}
+    <meta name="robots" content="noindex">
+    {% endif %}
     {% if title %}
         {% set page_title = title %}
     {% else %}