diff --git a/CHANGELOG.md b/CHANGELOG.md
index 33bb459967cb..b65d311fef27 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -109,6 +109,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (appModule) Remove `Route`, `QuerierRoute` and `LegacyQuerierHandler` from AppModule Interface. 
 * (x/modules) Remove all LegacyQueries and related code from modules
 * (store) [#11825](https://github.com/cosmos/cosmos-sdk/pull/11825) Make extension snapshotter interface safer to use, renamed the util function `WriteExtensionItem` to `WriteExtensionPayload`.
+* (x/genutil)[#12956](https://github.com/cosmos/cosmos-sdk/pull/12956) `genutil.AppModuleBasic` has a new attribute: genesis transaction validation function. The existing validation logic is implemented in `genutiltypes.DefaultMessageValidator`. Use `genutil.NewAppModuleBasic` to create a new genutil Module Basic.
 
 ### CLI Breaking Changes