diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c4e93e8..1923781f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 - modifier escape now triggers a E_USER_NOTICE when an unsupported escape type is used https://github.com/smarty-php/smarty/pull/649
 
+### Security
+- More advanced javascript escaping to handle https://html.spec.whatwg.org/multipage/scripting.html#restrictions-for-contents-of-script-elements thanks to m-haritonov
+
 ## [3.1.39] - 2021-02-17
 
 ### Security