diff --git a/CHANGELOG.md b/CHANGELOG.md
index e47e305..4e1bd04 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,11 +4,11 @@ All notable changes to this project will be documented in this file.
 
 The format bases on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
-## Unreleased
+## [1.4.0] - 2022-05-24
 
 ### Added
 
-- Python 3.10 support.
+- feat: add more fields for `Get trackings` API (#33)
 
 ## [1.3.0] - 2021-07-13
 
diff --git a/pyproject.toml b/pyproject.toml
index 68a26c9..ac639f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "aftership"
-version = "1.3.0"
+version = "1.4.0"
 description = "The python SDK of AfterShip API"
 authors = ["AfterShip <support@aftership.com>"]
 license = "MIT"