diff --git a/public/robots.txt b/public/robots.txt
index b93bbc4..488eb0a 100644
--- a/public/robots.txt
+++ b/public/robots.txt
@@ -2,3 +2,9 @@ User-agent: *
 Disallow: /colors/
 Disallow: /generators/
 Disallow: /contrast-checker/
+Disallow: /en/colors/
+Disallow: /en/generators/
+Disallow: /en/contrast-checker/
+Disallow: /ja/colors/
+Disallow: /ja/generators/
+Disallow: /ja/contrast-checker/