diff --git a/Cargo.lock b/Cargo.lock
index 01ca7fda..96e017a2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,7 +4,7 @@ version = 4
 
 [[package]]
 name = "aes"
-version = "0.9.0-rc.4"
+version = "0.9.0"
 dependencies = [
  "cipher",
  "cpubits",
diff --git a/aes/CHANGELOG.md b/aes/CHANGELOG.md
index 06b1a668..a059ef67 100644
--- a/aes/CHANGELOG.md
+++ b/aes/CHANGELOG.md
@@ -5,17 +5,17 @@ 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).
 
-## 0.9.0 (UNRELEASED)
+## 0.9.0 (2026-03-03)
 ### Added
 - Weak key detection in the `KeyInit::weak_key_test` method ([#465], [#469])
 
 ### Changed
 - Bump `cipher` dependency to v0.5
 - Edition changed to 2024 and MSRV bumped to 1.85 ([#472])
-- Refactor ARMv8 expand_key ([#367])
+- Refactor ARMv8 `expand_key` ([#367])
 - Added `#[inline]` attributes for `KeyInit::new` impls ([#386])
 - Rework backends ([#442])
-- Move Block8 to the hazmat module ([#468])
+- Move `Block8` to the hazmat module ([#468])
 - Relax MSRV policy and allow MSRV bumps in patch releases ([#477])
 - Replace inline ASM with ARMv8 intrinsics ([#380])
 - Enable ARMv8 backend by default ([#395])
diff --git a/aes/Cargo.toml b/aes/Cargo.toml
index 6678460a..d0abc7a3 100644
--- a/aes/Cargo.toml
+++ b/aes/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "aes"
-version = "0.9.0-rc.4"
+version = "0.9.0"
 description = "Pure Rust implementation of the Advanced Encryption Standard (a.k.a. Rijndael)"
 authors = ["RustCrypto Developers"]
 license = "MIT OR Apache-2.0"