diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ae76ba..ff96738 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,17 +1,40 @@
-# Motoko `bitcoin` changelog
+# Changelog
 
-## Next
+All notable changes to this project will be documented in this file.
 
-* Optimize (de)serializations in Bech32, Base58, Segwit
-* Bugfix: Taproot sighash now uses actual transaction values instead of hardcoded locktime=0 and version=2 (#14)
-* *Breaking:* Reject BIP32 paths with double-slashes in `Bip32.mo` (bugfix)
-* *Breaking:* Remove `toBytes` function in `bitcoin/TxOutput.mo` (use class method instead)
-* *Breaking:* Add length assertions inside `Bech32.encode()`
-* *Breaking*: Lowercase character range in `Bech32.mo` was incorrect (bugfix)
-* Migrate code from `base` to `core`
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## 0.1.1
+## [Unreleased]
 
-* Fix tests and formatting.
-* Add `CODEOWNERS`.
-* Update dependencies: `base`.
\ No newline at end of file
+## [0.2.0] - 2026-04-22
+
+### Changed
+
+- Optimize (de)serializations in `Bech32`, `Base58`, `Segwit`.
+- **Breaking:** Add length assertions inside `Bech32.encode()`.
+- Migrate code from `base` to `core`.
+
+### Removed
+
+- **Breaking:** Remove redundant `toBytes` function in `bitcoin/TxOutput.mo` (use class method instead).
+
+### Fixed
+
+- Taproot sighash now uses actual transaction values instead of hardcoded `locktime=0` and `version=2` ([#14](https://github.com/dfinity/motoko-bitcoin/issues/14)).
+- **Breaking:** Lowercase character range in `Bech32.mo` was incorrect ([#13](https://github.com/dfinity/motoko-bitcoin/issues/13)).
+- **Breaking:** Reject BIP32 paths with double-slashes in `Bip32.mo`.
+
+## [0.1.1]
+
+### Added
+
+- Add `CODEOWNERS`.
+
+### Changed
+
+- Update dependencies: `base`.
+
+### Fixed
+
+- Fix tests and formatting.
diff --git a/mops.toml b/mops.toml
index 5523847..1887ef7 100644
--- a/mops.toml
+++ b/mops.toml
@@ -1,6 +1,6 @@
 [package]
 name = "bitcoin"
-version = "0.1.1"
+version = "0.2.0"
 description = "Algorithms for bitcoin integration"
 repository = "https://github.com/dfinity/motoko-bitcoin"
 keywords = [ "bitcoin" ]