diff --git a/asteroid.asd b/asteroid.asd
index 8f1d9e1..78fad7c 100644
--- a/asteroid.asd
+++ b/asteroid.asd
@@ -23,6 +23,7 @@
                :babel
                :cl-fad
                :bordeaux-threads
+               (:interface :auth)
                (:interface :database)
                (:interface :user))
   :pathname "./"