diff --git a/emacs/.emacs.d/Cask b/emacs/.emacs.d/Cask
index 3259652..25ba5d7 100644
--- a/emacs/.emacs.d/Cask
+++ b/emacs/.emacs.d/Cask
@@ -52,6 +52,7 @@
 (depends-on "graphviz-dot-mode")
 (depends-on "gtags")
 (depends-on "haml-mode")
+(depends-on "hl-indent")
 (depends-on "hl-sexp")
 (depends-on "htmlize")
 (depends-on "hy-mode")