diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6d27fd..96a905b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,19 +4,12 @@ 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).
 
-## [1.0.0] - 2025-05-14
+## [1.1.0] - 2025-05-15
 ### Added
-- Initial release of the Book API
-- Create book endpoint (`POST /api/books`)
-- List all books endpoint (`GET /api/books`)
-- Get book by ID endpoint (`GET /api/books/{id}`)
-- OpenAPI specification describing all endpoints and models
-- Basic book model with title and author fields
-- GORM integration for database operations
-- RESTful API using Gin framework
+- Delete book endpoint (`DELETE /api/books/{id}`)
 
 ### Changed
-- N/A (initial release)
+- N/A
 
 ### Removed
-- N/A (initial release)
+- N/A
\ No newline at end of file