diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53ff1e5e..5b0647a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## unreleased
 
+### Added
+
+- Security checks based on `secret_token` param of `set_webhook` to built-in webhooks
+
 ### Fixed
 
  - `Dispatcher` no longer "leaks" memory for every inactive user ([PR 657](https://github.com/teloxide/teloxide/pull/657)).