diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc01927..45d4ea8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,21 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.5.1](https://github.com/deepjoy/taskmill/compare/v0.5.0...v0.5.1) - 2026-03-19
+
+### Fixed
+
+- *(bench)* eliminate per-sample scheduler setup cost in history benchmarks ([#55](https://github.com/deepjoy/taskmill/pull/55))
+- *(bench)* remove premature cancellation token call in history benchmark setup ([#54](https://github.com/deepjoy/taskmill/pull/54))
+- *(ci)* bootstrap _benchmarks branch on first push to main ([#53](https://github.com/deepjoy/taskmill/pull/53))
+- *(ci)* restore stderr capture for benchmark output on main ([#51](https://github.com/deepjoy/taskmill/pull/51))
+- *(ci)* exclude lib target from cargo bench to fix benchmark CI ([#49](https://github.com/deepjoy/taskmill/pull/49))
+
+### Other
+
+- decompose internal god objects into focused, single-responsibility modules ([#56](https://github.com/deepjoy/taskmill/pull/56))
+- eliminate stringly-typed history status and DRY violations ([#52](https://github.com/deepjoy/taskmill/pull/52))
+
 ## [0.5.0](https://github.com/deepjoy/taskmill/compare/v0.4.0...v0.5.0) - 2026-03-18
 
 ### Added
diff --git a/Cargo.toml b/Cargo.toml
index 004e644..9a194e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "taskmill"
-version = "0.5.0"
+version = "0.5.1"
 edition = "2021"
 rust-version = "1.75"
 license = "MIT"