diff --git a/Cask b/Cask
index 209ed5341..3fa7b41de 100644
--- a/Cask
+++ b/Cask
@@ -222,7 +222,7 @@
 (depends-on "scss-mode")
 (depends-on "sass-mode")
 (depends-on "sws-mode")
-
+(depends-on "slim-mode")
 
 
 ;;;; LIBRARIES ;;;;;;;;;;;;;;;;;;;;;;;;;
diff --git a/modules/module-web.el b/modules/module-web.el
index bb93d6485..ea8f93dac 100644
--- a/modules/module-web.el
+++ b/modules/module-web.el
@@ -45,6 +45,8 @@
   :mode "\\.jade$"
   :config (require 'sws-mode))
 
+(use-package slim-mode :mode "\\.slim$")
+
 (use-package web-mode
   :mode ("\\.\\(p\\)?htm\\(l\\)?$" "\\.tpl\\(\\.php\\)?$" "\\.erb$" "wp-content/themes/.+/.+\\.php$")
   :init