diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ef8c83..5bf8668 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ 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).
 
 ## [Unreleased]
+
+## [0.9.0] - 2020-08-15
 ### Changed
 - Rounds and turns now reflect the most used definition (a round is made of multiple turns).
 - Renamed `StartRound` into `StartTurn`, swapped `EndRound` and `EndTurn` and renamed `EnvironmentRound` into `EnvironmentTurn`.
diff --git a/Cargo.toml b/Cargo.toml
index bcaf54e..b47b062 100755
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "weasel"
-version = "0.8.1"
+version = "0.9.0"
 authors = ["Trisfald <trisfald@gmail.com>"]
 edition = "2018"
 description = "A customizable battle system for turn-based games."