diff --git a/Cask b/Cask
index f70135ddc..21d1b6e27 100644
--- a/Cask
+++ b/Cask
@@ -153,7 +153,7 @@
 (depends-on "crystal-mode" :git "https://github.com/jpellerin/emacs-crystal-mode/")
 
 ;; (depends-on "haxe-mode")
-;; (depends-on "rust-mode")
+(depends-on "rust-mode")
 ;; (depends-on "d-mode")
 
 ;; OTHER