diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4961014..e7ccae6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.1.1] - 2022-02-23
+### Security
+- Updated the plural form conversion to accept a limited character set [#5]
+
 ## [1.1.0] - 2022-02-23
 ### Added
 - Option to include empty translations in the `ArrayGenerator` [#3]
@@ -19,7 +23,9 @@ First version
 
 [#1]: https://github.com/php-gettext/Translator/issues/1
 [#3]: https://github.com/php-gettext/Translator/issues/3
+[#5]: https://github.com/php-gettext/Translator/issues/5
 
+[1.1.1]: https://github.com/php-gettext/Translator/compare/v1.1.0...v1.1.1
 [1.1.0]: https://github.com/php-gettext/Translator/compare/v1.0.1...v1.1.0
 [1.0.1]: https://github.com/php-gettext/Translator/compare/v1.0.0...v1.0.1
 [1.0.0]: https://github.com/php-gettext/Translator/releases/tag/v1.0.0