diff --git a/CHANGELOG.md b/CHANGELOG.md
index b994513..696260c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,21 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+
+[1.1.0] - 2024-07-02
+### Changed 
+- **Refactoring**
+
+    - Redesigned models to use private properties instead of public properties.
+    - Implemented object notation with getter and setter functions for all models.
+
+- **Unit and E2E Testing** 
+
+    - Set up Test framework using `Jest`
+    - Wrote unit and E2E tests to ensure nothing breaks while pushing new code
+    - Ensure criticla components are working properly on every build
+
+
 [1.0.0] - 2024-06-11
 
 ### Added