diff --git a/recipes/sx.rcp b/recipes/sx.rcp
index 9d8a3571c..ac65c629a 100644
--- a/recipes/sx.rcp
+++ b/recipes/sx.rcp
@@ -2,5 +2,5 @@
        :description "Stack Exchange for Emacs."
        :website "https://github.com/vermiculus/sx.el"
        :type github
-       :depends (markdown-mode)
+       :depends (markdown-mode let-alist)
        :pkgname "vermiculus/sx.el")