diff --git a/CITATION.cff b/CITATION.cff
index bfb9068b..78af2971 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -9,4 +9,5 @@ abstract: "A collection of structured and unstructured ESMF regridding schemes f
 repository-code: "https://github.com/SciTools/iris-esmf-regrid"
 license: "BSD-3-Clause"
 license-url: "https://spdx.org/licenses/BSD-3-Clause.html"
+doi: "10.5281/zenodo.11401116"
 type: "software"
diff --git a/LICENSE b/LICENSE
index 745e927e..96d3bb64 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2020 - 2022, SciTools
+Copyright (c) 2020 - 2024, SciTools
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/README.md b/README.md
index 5085ae09..3e8287c8 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@
 [![License](https://img.shields.io/github/license/SciTools/iris-esmf-regrid)](https://github.com/SciTools/iris-esmf-regrid/blob/main/LICENSE)
 [![Contributors](https://img.shields.io/github/contributors/SciTools/iris-esmf-regrid)](https://github.com/SciTools/iris-esmf-regrid/graphs/contributors)
 ![Mark stale issues and pull requests](https://github.com/SciTools/iris-esmf-regrid/workflows/Mark%20stale%20issues%20and%20pull%20requests/badge.svg)
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.11401116.svg)](https://doi.org/10.5281/zenodo.11401116)
 
 ---