diff --git a/emacs/.emacs.d/config/init-ruby.el b/emacs/.emacs.d/config/init-ruby.el
index 9248acb..c11baa1 100644
--- a/emacs/.emacs.d/config/init-ruby.el
+++ b/emacs/.emacs.d/config/init-ruby.el
@@ -1,6 +1,7 @@
 ;; -*- lexical-binding: t; -*-
 (use-package ruby-mode
-  :straight (:type built-in))
+  :straight (:type built-in)
+  :hook (ruby-mode . highlight-indent-guides-mode))
 
 (use-package rbenv
   :hook (after-init . global-rbenv-mode))