diff --git a/README.md b/README.md
index f09b76f..94f9ea7 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Note: The Mail Server requires SSL certificates
 
 ### Package Requirements for Web Server
 
-nginx, php, php-apcu-bc, php-fpm, php-composer, php-gd, php-imap, php-intl, php-mcrypt, php-memcached, memcached, mariadb, bower, gulp, npm, letsencrypt
+nginx, php, php-apcu-bc, php-fpm, php-composer, php-gd, php-imap, php-intl, php-mcrypt, php-memcached, memcached, mariadb, bower, gulp, npm, certbot
 
 ### Folders for Web Server