diff --git a/robots.txt b/robots.txt
index cd8fdaa..17f3f7d 100644
--- a/robots.txt
+++ b/robots.txt
@@ -25,6 +25,8 @@ Allow: /core/*.js$
 Disallow: /core/
 Disallow: /profiles/
 # Files
+Disallow: /composer.json
+Disallow: /composer.lock
 Disallow: /README.txt
 Disallow: /web.config
 # Paths (clean URLs)