diff --git a/.github/workflows/build-pk3/action.yml b/.github/workflows/build-pk3/action.yml
index 268770d..fa84714 100644
--- a/.github/workflows/build-pk3/action.yml
+++ b/.github/workflows/build-pk3/action.yml
@@ -6,4 +6,4 @@ runs:
   - uses: actions/checkout@v4
   - uses: montudor/action-zip@v1
     with:
-      args: zip -r "icarus-innovations-improved-${{ env.SUFFIX }}.pk3" . -i graphics/* patches/* sounds/* sprites/* zscript/* CVARINFO DECALDEF.* GLDEFS.* KEYCONF LANGUAGE.* LICENSE MAPINFO MENUDEF README.* SNDINFO.* TEXTURES.* zscript.zs
+      args: zip -r "icarus-innovations-improved-${{ env.SUFFIX }}.pk3" . -i graphics/* patches/* sounds/* sprites/* zscript/* CHANGELOG.md CVARINFO DECALDEF.* GLDEFS.* KEYCONF LANGUAGE.* LICENSE MAPINFO MENUDEF README.* SNDINFO.* TEXTURES.* zscript.zs
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..779a070
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,107 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+
+### Changed
+
+-   Flamenwerfer Tweaks (#20).
+-   Update Build Scripts (#21, #22, #23).
+
+## [v1.2.1] - 2023-12-18
+
+### Changed
+
+-   Update muzzle flashes to properly use overlay sprites (#18).
+-   Update sight bob values (#19).
+
+## [v1.2.0] - 2023-10-25
+
+### Added
+
+-   Added Credits for community maintainers.
+
+### Changed
+
+-   Flamenwerfer Tweaks (#12, #13).
+-   Add MBR Mag filters for Backpack Pool (#14).
+-   Refine Spawning Slots (#16).
+-   PD-42 Tweaks (#17).
+
+## [v1.1.3] - 2023-08-19
+
+### Changed
+
+-   Fix MBR Language Entries (#11).
+
+## [v1.1.2] - 2023-08-09
+
+### Changed
+
+-   Flamenwerfer Tweaks (#8, #9).
+
+## [v1.1.1] - 2023-08-06
+
+### Changed
+
+-   Fixed MBR Scope (#6).
+
+## [v1.1.0] - 2023-08-05
+
+### Added
+
+-   Added Modular Battle Rifle (#4).
+
+### Changed
+
+-   Added brightmaps for UMP-45 (#2).
+
+## [v1.0.1] - 2023-07-14
+
+### Changed
+
+-   Removed Ace's Weapons from readme.
+
+## [v1.0.0] - 2023-07-14
+
+### Added
+
+-   Initial Release.  Originally made by D2Icarus, now maintained by the community.
+-   Currently Contains the following weapons:
+  -   Barracuda
+  -   Bitch
+  -   Fenris
+  -   Flamenwerfer-77
+  -   Frontiersman
+  -   GFB-9
+  -   NS3-Cr.Kt
+  -   Nyx
+  -   PD-42
+  -   Six-12
+  -   UMP-45
+  -   USP-45
+-   Spawning has been revamped to allow more configurability with all weapons included
+-   PD-42 has been updated to more closely match the SMG class definition, as well as including a new ironsights variant.
+
+[Unreleased]: https://github.com/HDest-Community/icarus-innovations-improved/compare/v1.2.1...HEAD
+
+[v1.2.1]: https://github.com/HDest-Community/icarus-innovations-improved/compare/v1.2.0..v1.2.1
+
+[v1.2.0]: https://github.com/HDest-Community/icarus-innovations-improved/compare/v1.1.3..v1.2.0
+
+[v1.1.3]: https://github.com/HDest-Community/icarus-innovations-improved/compare/v1.1.2..v1.1.3
+
+[v1.1.2]: https://github.com/HDest-Community/icarus-innovations-improved/compare/v1.1.1..v1.1.2
+
+[v1.1.1]: https://github.com/HDest-Community/icarus-innovations-improved/compare/v1.1.0..v1.1.1
+
+[v1.1.0]: https://github.com/HDest-Community/icarus-innovations-improved/compare/v1.0.1..v1.1.0
+
+[v1.0.1]: https://github.com/HDest-Community/icarus-innovations-improved/compare/v1.0.0..v1.0.1
+
+[v1.0.0]: https://github.com/HDest-Community/icarus-innovations-improved/releases/tag/v1.0.0