diff --git a/lib/geef.ex b/lib/geef.ex
index 7c231aa..bfd3017 100644
--- a/lib/geef.ex
+++ b/lib/geef.ex
@@ -12,6 +12,7 @@ defmodule Geef do
       alias Geef.TreeEntry
       alias Geef.Blob
       alias Geef.Tag
+      alias Geef.Signature
     end
   end