diff --git a/CHANGELOG.md b/CHANGELOG.md
index dccd0c0..d8db4e7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add example Pluto notebook which plots clock skew histogram
 - Add `count_riseup` to count rise up in clock result
 - Add example app using Pluto
+- Add `DispatchChecker` module
+- Add `is_dispatchable` which checks given PSBoard is ready to dispatch
+- Add `interactive_dispatch_checker` which provide interactive session for QAQC
 
 ### Changed