diff --git a/CITATION.cff b/CITATION.cff
index 832ba26..d6c7b4e 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -2,7 +2,7 @@ cff-version: 1.2.0
 title: "Ricgraph - Research in context graph"
 type: software
 version: "v2.0"
-date-released: "2024-04-10"
+date-released: "2024-04-24"
 authors:
   - given-names: "Rik D.T."
     family-names: Janssen
@@ -85,6 +85,9 @@ identifiers:
   - description: "Ricgraph DOI v2.0"
     type: doi
     value: "10.5281/zenodo.10952538"
+  - description: "Ricgraph DOI v2.1"
+    type: doi
+    value: "10.5281/zenodo.XXXXXXXX"
 abstract: >-
   Ricgraph, also known as Research in context graph, enables the exploration of
   researchers, teams, their results, collaborations, skills, projects, and the