diff --git a/dev.metalisp.survey.asd b/dev.metalisp.survey.asd
index 4dbeb5f..eb8a058 100644
--- a/dev.metalisp.survey.asd
+++ b/dev.metalisp.survey.asd
@@ -2,7 +2,7 @@
 
 (defsystem "dev.metalisp.survey"
   :description "Create questionnaires and analyze the results."
-  :version "0.5.35"
+  :version "0.5.36"
   :author "Marcus Kammer <marcus.kammer@mailbox.org>"
   :source-control (:git "https://code.metalisp.dev/marcuskammer/dev.metalisp.survey.git")
   :licence "MIT"
diff --git a/src/models/package.lisp b/src/models/package.lisp
index 2148037..18310d8 100644
--- a/src/models/package.lisp
+++ b/src/models/package.lisp
@@ -1,7 +1,8 @@
 ;;; -*- mode: lisp; coding: utf-8; -*-
 (defpackage :ml-survey/models
   (:use #:cl)
-  (:export #:survey-uid
+  (:export #:object-to-plist
+           #:survey-uid
            #:survey-uid-p
            #:survey
            #:survey-data-dir