diff --git a/CITATION.cff b/CITATION.cff
index 51c8fd9..e92e119 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -12,6 +12,14 @@ authors:
   - family-names: Arnold
     given-names: Jaret
     orcid: "https://orcid.org/0009-0003-4055-5238"
+doi: "10.5281/zenodo.21636354"
+identifiers:
+  - type: doi
+    value: "10.5281/zenodo.21636354"
+    description: "Concept DOI — always resolves to the latest release."
+  - type: doi
+    value: "10.5281/zenodo.21636355"
+    description: "DOI for this specific release."
 repository-code: "https://github.com/musharna/ghostcite"
 url: "https://pypi.org/project/ghostcite/"
 license: MIT
diff --git a/README.md b/README.md
index 73ab5b1..309df90 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@
 [![CI](https://github.com/musharna/ghostcite/actions/workflows/ci.yml/badge.svg)](https://github.com/musharna/ghostcite/actions/workflows/ci.yml)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE)
 [![Python 3.9+](https://img.shields.io/badge/python-3.9%2B-blue.svg)](https://www.python.org/downloads/)
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.21636354.svg)](https://doi.org/10.5281/zenodo.21636354)
 
 **Catch ghost citations — right DOI, wrong author.**