Bump to version 0.2.3 (#148)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73de2fb..91fb9bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](https://semver.org/).
 
+## [v0.2.3] - 2022-03-14
+
+### Added
+
+- feat: Export BoxedObjectStream so that users can implement Layer (#147)
+
 ## [v0.2.2] - 2022-03-14
 
 ### Fixed
@@ -151,6 +157,7 @@
 
 Hello, OpenDAL!
 
+[v0.2.3]: https://github.com/datafuselabs/opendal/compare/v0.2.2...v0.2.3
 [v0.2.2]: https://github.com/datafuselabs/opendal/compare/v0.2.1...v0.2.2
 [v0.2.1]: https://github.com/datafuselabs/opendal/compare/v0.2.0...v0.2.1
 [v0.2.0]: https://github.com/datafuselabs/opendal/compare/v0.1.4...v0.2.0
diff --git a/Cargo.toml b/Cargo.toml
index bde55f4..d5f5de8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@
 license = "Apache-2.0"
 name = "opendal"
 repository = "https://github.com/datafuselabs/opendal"
-version = "0.2.2"
+version = "0.2.3"
 
 [workspace]
 members = ["opendal_test"]