diff --git a/.arc/validation_packages.yml b/.arc/validation_packages.yml
index 15f0f1078955235a1d9d1ba034f5c728082f470c..c86bf26de4b7ecd071a3df0ab7c4dfaa0ebd87d2 100644
--- a/.arc/validation_packages.yml
+++ b/.arc/validation_packages.yml
@@ -1,3 +1,4 @@
+arc_specification: 2.0.0-draft
 validation_packages:
   - name: invenio
     version: 2.1.0