diff --git a/draft-lenders-core-dnr.md b/draft-lenders-core-dnr.md
index 54f321c..bfa820b 100644
--- a/draft-lenders-core-dnr.md
+++ b/draft-lenders-core-dnr.md
@@ -69,6 +69,7 @@ informative:
     title: White Paper – Lightweight M2M 1.1
     author:
       org: OMA SpecWorks
+    date: 2018-10
     target: https://omaspecworks.org/white-paper-lightweight-m2m-1-1/
   I-D.ietf-ace-edhoc-oscore-profile: ace-edhoc
   RFC9203: ace-oscore