diff --git a/Cargo.lock b/Cargo.lock
index 34bee71..b0fb96a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -785,7 +785,7 @@ checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
 
 [[package]]
 name = "ml-kem"
-version = "0.3.0-rc.2"
+version = "0.3.0"
 dependencies = [
  "const-oid",
  "criterion",
diff --git a/ml-kem/CHANGELOG.md b/ml-kem/CHANGELOG.md
index cc01f8f..82b1b63 100644
--- a/ml-kem/CHANGELOG.md
+++ b/ml-kem/CHANGELOG.md
@@ -5,12 +5,73 @@ 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).
 
-## 0.3.0 (UNRELEASED)
+## 0.3.0 (2026-04-28)
+### Added
+- `Seed` support e.g. `DecapsulationKey::from_seed` ([#133], [#138])
+- PKCS#8 support ([#135])
+- `KeyInit`, `KeySizeUser`, and `KeyExport` impls for decapsulation keys ([#156], [#228])
+- Parameter set modules: `ml_kem_512`, `mk_kem_768`, `mk_kem_1024` ([#162])
+- `DecapsulationKey::from_expanded` deprecated compatibility support ([#163])
+- `TryKeyInit` and `KeyExport` impls for encapsulation keys ([#188])
+- Validations against Wycheproof test vectors ([#213], [#214], [#215], [#217])
+- Implement `kem::Kem` trait ([#223])
+- Support for `kem::FromSeed` trait ([#255])
+
 ### Changed
 - Edition changed to 2024 and MSRV bumped to 1.85 ([#118])
 - Relax MSRV policy and allow MSRV bumps in patch releases
+- Upgrade `hybrid-array` dependency to 0.4 ([#129])
+- Extract `module-lattice` crate ([#199], [#202], [#204], [#209], [#210], [#211], [#212], [#218],
+  [#219], [#220])
+- Replace `EncodedSizeUser` with `ExpandedKeyEncoding` ([#226])
+- Bump `getrandom` to v0.4 ([#245])
+- Bump `rand_core` to v0.10 ([#245])
+- Migrate from `subtle` to `ctutils` ([#277])
+- Bump `sha3` dependency to v0.11 ([#282])
+- Bump `kem` dependency to v0.3 ([#283])
+- Bump `pkcs8` dependency to v0.11 ([#291])
+
+### Fixed
+- Validate encryption/encapsulation keys ([#179])
+- Validate expanded decapsulation key hash ([#207])
+
+### Removed
+- `Kem` struct and `KemCore` trait - replaced by `kem::Kem` ([#223])
 
 [#118]: https://github.com/RustCrypto/KEMs/pull/118
+[#129]: https://github.com/RustCrypto/KEMs/pull/129
+[#133]: https://github.com/RustCrypto/KEMs/pull/133
+[#135]: https://github.com/RustCrypto/KEMs/pull/135
+[#138]: https://github.com/RustCrypto/KEMs/pull/138
+[#156]: https://github.com/RustCrypto/KEMs/pull/156
+[#162]: https://github.com/RustCrypto/KEMs/pull/162
+[#163]: https://github.com/RustCrypto/KEMs/pull/163
+[#179]: https://github.com/RustCrypto/KEMs/pull/179
+[#188]: https://github.com/RustCrypto/KEMs/pull/188
+[#199]: https://github.com/RustCrypto/KEMs/pull/199
+[#202]: https://github.com/RustCrypto/KEMs/pull/202
+[#204]: https://github.com/RustCrypto/KEMs/pull/204
+[#207]: https://github.com/RustCrypto/KEMs/pull/207
+[#209]: https://github.com/RustCrypto/KEMs/pull/209
+[#210]: https://github.com/RustCrypto/KEMs/pull/210
+[#211]: https://github.com/RustCrypto/KEMs/pull/211
+[#212]: https://github.com/RustCrypto/KEMs/pull/212
+[#213]: https://github.com/RustCrypto/KEMs/pull/213
+[#214]: https://github.com/RustCrypto/KEMs/pull/214
+[#215]: https://github.com/RustCrypto/KEMs/pull/215
+[#217]: https://github.com/RustCrypto/KEMs/pull/217
+[#218]: https://github.com/RustCrypto/KEMs/pull/218
+[#219]: https://github.com/RustCrypto/KEMs/pull/219
+[#220]: https://github.com/RustCrypto/KEMs/pull/220
+[#223]: https://github.com/RustCrypto/KEMs/pull/223
+[#226]: https://github.com/RustCrypto/KEMs/pull/226
+[#228]: https://github.com/RustCrypto/KEMs/pull/228
+[#245]: https://github.com/RustCrypto/KEMs/pull/245
+[#255]: https://github.com/RustCrypto/KEMs/pull/255
+[#277]: https://github.com/RustCrypto/KEMs/pull/277
+[#282]: https://github.com/RustCrypto/KEMs/pull/282
+[#283]: https://github.com/RustCrypto/KEMs/pull/283
+[#291]: https://github.com/RustCrypto/KEMs/pull/291
 
 ## 0.2.3 (2026-02-17)
 ### Fixed
diff --git a/ml-kem/Cargo.toml b/ml-kem/Cargo.toml
index 8673f35..80210ab 100644
--- a/ml-kem/Cargo.toml
+++ b/ml-kem/Cargo.toml
@@ -4,7 +4,7 @@ description = """
 Pure Rust implementation of the Module-Lattice-Based Key-Encapsulation Mechanism Standard
 (formerly known as Kyber) as described in FIPS 203
 """
-version = "0.3.0-rc.2"
+version = "0.3.0"
 edition = "2024"
 rust-version = "1.85"
 license = "Apache-2.0 OR MIT"