diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b2cba94af8a..9bf30c6c1b23 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -104,6 +104,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### API Breaking Changes
 
+* (server) [#13485](https://github.com/cosmos/cosmos-sdk/pull/13485) The `Application` service now requires the `RegisterNodeService` method to be implemented.
 * (x/slashing, x/staking) [#13122](https://github.com/cosmos/cosmos-sdk/pull/13122) Add the infraction a validator commited type as an argument to the `Slash` keeper method.
 * [#13437](https://github.com/cosmos/cosmos-sdk/pull/13437) Add a list of modules to export argument in `ExportAppStateAndValidators`.
 * (x/slashing) [#13427](https://github.com/cosmos/cosmos-sdk/pull/13427) Move `x/slashing/testslashing` to `x/slashing/testutil` for consistency with other modules.