diff --git a/emacs/.emacs.d/Cask b/emacs/.emacs.d/Cask
index 5ca4207..b3b8d46 100644
--- a/emacs/.emacs.d/Cask
+++ b/emacs/.emacs.d/Cask
@@ -18,6 +18,7 @@
 (depends-on "colemak-evil" :git "git://github.com/ryuslash/colemak-evil.git")
 (depends-on "csharp-mode")
 (depends-on "css-eldoc")
+(depends-on "debbugs")
 (depends-on "deferred")
 (depends-on "desktop-registry")
 (depends-on "diff-hl")