diff --git a/CHANGELOG.md b/CHANGELOG.md
index 500f1ee..1692f78 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [4.0.0](https://git.kemitix.net/kemitix/kxio/compare/v3.2.0...v4.0.0) - 2024-12-15
+
+### Added
+
+- *(fs)* [**breaking**] Reader now supports non-utf8 files
+
 ## [3.2.0](https://git.kemitix.net/kemitix/kxio/compare/v3.1.0...v3.2.0) - 2024-12-12
 
 ### Added
diff --git a/Cargo.toml b/Cargo.toml
index 3c4e07e..297cda6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "kxio"
-version = "3.2.0"
+version = "4.0.0"
 edition = "2021"
 authors = ["Paul Campbell <pcampbell@kemitix.net>"]
 description = "Provides injectable Filesystem and Network resources to make code more testable"