diff --git a/changelog.md b/changelog.md
index d7bd6e96d7..6ffc7eef7c 100644
--- a/changelog.md
+++ b/changelog.md
@@ -48,6 +48,7 @@
 * [2296](https://github.com/zeta-chain/node/pull/2296) - move `testdata` package to `testutil` to organize test-related utilities
 * [2344](https://github.com/zeta-chain/node/pull/2344) - group common data of EVM/Bitcoin signer and observer using base structs
 * [2317](https://github.com/zeta-chain/node/pull/2317) - add ValidateOutbound method for cctx orchestrator
+* [2355](https://github.com/zeta-chain/node/pull/2355) - integrated base Signer/Observer structures into EVM/Bitcoin Signer and Observer
 
 ### Tests