diff --git a/ubuntutools/lp/lpapicache.py b/ubuntutools/lp/lpapicache.py
index ecd0d47..365ec12 100644
--- a/ubuntutools/lp/lpapicache.py
+++ b/ubuntutools/lp/lpapicache.py
@@ -671,7 +671,8 @@ class Archive(BaseWrapper):
                 set(
                     PersonTeam(permission.person_link) for permission in
                     self._lpobject.getUploadersForPackage(source_package_name=source_package_name)
-                )
+                ),
+                key=lambda s: s.name
             )
         return self._pkg_uploaders[source_package_name]