diff --git a/CITATION.cff b/CITATION.cff
new file mode 100644
index 0000000..b767f34
--- /dev/null
+++ b/CITATION.cff
@@ -0,0 +1,15 @@
+# This CITATION.cff file was generated with cffinit.
+# Visit https://bit.ly/cffinit to generate yours today!
+
+cff-version: 1.2.0
+title: Kalamar-Plugin-ExternalResources
+message: Plugin to link external resources like full texts to query hits
+type: software
+authors:
+  - orcid: 'https://orcid.org/0000-0002-2993-9180'
+    affiliation: Leibniz Institute for the German Language
+    given-names: Nils
+    family-names: Diewald
+repository-code: 'https://github.com/KorAP/Kalamar-Plugin-ExternalResources/'
+url: 'https://korap.ids-mannheim.de/'
+license: BSD-2-Clause
diff --git a/Changes b/Changes
index f1414fa..a0e073c 100755
--- a/Changes
+++ b/Changes
@@ -1,3 +1,7 @@
+0.2.1 2024-05-02
+        - Update dependencies
+        - Add CITATION.cff
+
 0.2.0 2024-03-19
         - Indexation now doesn't mount the server
           automatically