diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42cb54d..e429bdc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## Development
 
+Changes:
+*
+
+## Version 0.4.0 (Jul 11, 2023)
+
 Changes:
 *    Add writing sha256 checksums upon finalise ([#107](https://github.com/AI-SDC/ACRO/pull/107))
 *    Refactor load_json Records class function to static load_results ([#110](https://github.com/AI-SDC/ACRO/pull/110))
diff --git a/CITATION.cff b/CITATION.cff
index aa2a44e..49f5f6d 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -1,8 +1,8 @@
 cff-version: 1.2.0
 title: ACRO
-version: 0.3.0
-doi: 10.5281/zenodo.8113670
-date-released: 2023-07-04
+version: 0.4.0
+doi:
+date-released: 2023-11-04
 license: MIT
 repository-code: https://github.com/AI-SDC/ACRO
 languages: