diff --git a/Cask b/Cask
index a3a9c21..a69e23c 100644
--- a/Cask
+++ b/Cask
@@ -18,6 +18,7 @@
 (depends-on "htmlize")
 (depends-on "git")
 (depends-on "git-commit")
+(depends-on "go-mode")
 (depends-on "groovy-mode")
 (depends-on "idle-highlight-mode")
 (depends-on "js2-mode")