diff --git a/robots.txt b/robots.txt
index 646989e0f2fe..9c4e65c71e5a 100644
--- a/robots.txt
+++ b/robots.txt
@@ -2,3 +2,4 @@ User-agent: *
 Disallow: /docs/0.1.12/
 Disallow: /docs/0.2.0/
 Disallow: /docs/0.3.0/
+Disallow: /docs/0.3.1/