diff --git a/CHANGELOG.md b/CHANGELOG.md
index fcc1b9e69a..1ce21b753e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - `examples/periodic-at.rs`, an example of a periodic timer without accumulated drift.
 - `examples/periodic-at2.rs`, an example of a periodic process with two tasks, with offset timing. Here we depict two alternative usages of the timer type, explicit and trait based.
 - book: Update `Monotonic` tips.
+- Lockall api added
 
 ## [v1.0.0] - 2021-12-25