diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3dd4c5c94..9789118c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased](https://github.com/o1-labs/o1js/compare/b857516...HEAD)
 
+### Added
+
+- Gadgets for 224, 384 and 512 bit variants of SHA2 https://github.com/o1-labs/o1js/pull/1957
+
 ## [2.2.0](https://github.com/o1-labs/o1js/compare/e1bac02...b857516) - 2024-12-10
 
 ### Added