diff --git a/CHANGELOG.md b/CHANGELOG.md
index cbe7f64e..1816fd14 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,14 @@ 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/).
 
+## 0.3.1 - 2021-10-23
+
+- [[#262]] Align case trasforms across derive macros
+- [[#267]] Added `is_null` and `is_not_null` to `ColumnTrait`
+
+[#262]: https://github.com/SeaQL/sea-orm/issues/262
+[#267]: https://github.com/SeaQL/sea-orm/issues/267
+
 ## 0.3.0 - 2021-10-15
 
 https://www.sea-ql.org/SeaORM/blog/2021-10-15-whats-new-in-0.3.0
diff --git a/Cargo.toml b/Cargo.toml
index 71690374..9bda93ee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = [".", "sea-orm-macros", "sea-orm-codegen"]
 
 [package]
 name = "sea-orm"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["Chris Tsang <tyt2y7@gmail.com>"]
 edition = "2018"
 description = "🐚 An async & dynamic ORM for Rust"
@@ -29,7 +29,7 @@ futures = { version = "^0.3" }
 futures-util = { version = "^0.3" }
 log = { version = "^0.4", optional = true }
 rust_decimal = { version = "^1", optional = true }
-sea-orm-macros = { version = "^0.3.0", path = "sea-orm-macros", optional = true }
+sea-orm-macros = { version = "^0.3.1", path = "sea-orm-macros", optional = true }
 sea-query = { version = "^0.18.0", features = ["thread-safe"] }
 sea-strum = { version = "^0.21", features = ["derive", "sea-orm"] }
 serde = { version = "^1.0", features = ["derive"] }