diff --git a/CHANGELOG.md b/CHANGELOG.md
index e71a117..1aedf81 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](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- Added GitHub Actions powered CI workflows
+- Started using [`nix`](https://nixos.org/) for reproducible development environments
+### Fixed
+- Fixed repeated path components when using `ZipEntry:getPath` for some ZIP files
+### Changed
+- Pinned tooling dependencies (`stylua`, `luau-lsp`, `pesde`, `lune`) in manifest
+- README includes contributing guidelines and basic setup instructions 
 
 ## [0.1.0] - 2025-01-12