diff --git a/.htaccess b/.htaccess
index b12e916..389bb6d 100644
--- a/.htaccess
+++ b/.htaccess
@@ -5,6 +5,7 @@
     RewriteCond %{REQUEST_FILENAME} !-f
     RewriteCond %{REQUEST_FILENAME} !-d
     RewriteRule ^(.*)$ index.php?$1 [L,QSA]
+    RewriteRule ^(config|content|content-sample|lib|vendor)/.* - [R=404,L]
 
     <IfModule mod_env.c>
         SetEnv PICO_URL_REWRITING 1