diff --git a/CITATION.cff b/CITATION.cff
index 2e21ff403..9c59a0c8b 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -1,4 +1,4 @@
-cff-version: 3.0.0-alpha
+cff-version: 3.0.0
 message: "If you use this software in your work, please cite it as below."
 authors:
 - family-names: "Dorheim"
@@ -31,7 +31,7 @@ authors:
   given-names: "Dawn"
   orcid: "https://orcid.org/0000-0002-0468-4660"
 title: "Hector a simple carbon-climate model"
-version: 3.0.0-alpha
-doi: TODO
-date-released: TODO
-url: "https://github.com/jgcri/hector"
\ No newline at end of file
+version: 3.0.0
+doi: 10.5281/zenodo.7615632
+date-released: 2023-02-06
+url: "https://github.com/jgcri/hector"
diff --git a/NEWS.md b/NEWS.md
index db356515b..74c0b35ec 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,7 @@
 # hector 3.0.0
 
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.7615632.svg)](https://doi.org/10.5281/zenodo.7615632)
+
 * Updated parameterization, incorporating latest consensus science and for best model performance relative to historical observations
 * New radiative forcing calculations for consistency with AR6
 * Better and more complete software tests; many bug fixes