diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7fa8fdaa..d4bc0332 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- `knp_dictionary.registry` service declaration set public to true (Symfony 4 fix)
 
 ## [2.1.1] - 2018-01-22
 ### Changed