diff --git a/README.org b/README.org
index 69618a7e..0559b918 100644
--- a/README.org
+++ b/README.org
@@ -3838,9 +3838,17 @@ In c++ I just want to make sure lsp is called when enter c++-mode
 :PROPERTIES:
 :ID:       20231120T054703.266056
 :END:
+#+begin_src emacs-lisp
+(use-package rust-mode
+  :ensure t
+  :init
+  (setq rust-mode-treesitter-derive t))
+#+end_src
+
 I'd like to start learning and using rust if I can.
 #+begin_src emacs-lisp
 (use-package rustic
+  :after (rust-mode)
   :config
   ;; comment to disable rustfmt on save
   (setq rustic-format-on-save t
diff --git a/init.el b/init.el
index 4406cd0e..eccc4200 100644
--- a/init.el
+++ b/init.el
@@ -2827,7 +2827,13 @@ current buffer's, reload dir-locals."
 
 (add-hook 'c-mode-common-hook (lambda () (add-hook 'before-save-hook 'astyle-before-save)))
 
+(use-package rust-mode
+  :ensure t
+  :init
+  (setq rust-mode-treesitter-derive t))
+
 (use-package rustic
+  :after (rust-mode)
   :config
   ;; comment to disable rustfmt on save
   (setq rustic-format-on-save t