diff --git a/CITATION.cff b/CITATION.cff
index fd2f7ab..d1b2a60 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -39,6 +39,9 @@ identifiers:
   - type: doi
     value: 10.5281/zenodo.22142302
     description: Concept DOI, resolving to the latest release.
+  - type: doi
+    value: 10.5281/zenodo.22161094
+    description: DOI for version 2.0.0.
   - type: doi
     value: 10.5281/zenodo.22142303
     description: DOI for version 1.3.1.