diff --git a/CHANGELOG.md b/CHANGELOG.md
index 946853f3b3..2a0fcda3d6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -84,6 +84,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/wasm) [\#640](https://github.com/line/lbm-sdk/pull/640) remove legacy codes of wasm
 * (amino) [\#635](https://github.com/line/lbm-sdk/pull/635) change some minor things that haven't been fixed in #549
 * (store) [\#666](https://github.com/line/lbm-sdk/pull/666) change default `iavl-cache-size` and description 
+* (x/auth) [\#673](https://github.com/line/lbm-sdk/pull/673) fix max gas validation
 
 ### Breaking Changes
 * (proto) [\#564](https://github.com/line/lbm-sdk/pull/564) change gRPC path to original cosmos path