diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8a0899..d569bb6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - The minimum supported Rust version (MSRV) is now 1.64.
+- Manual (and badly designed) threads have been replaced by async.
 
 
 ## [0.21.0] - 2022-12-19