diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee35182..9fe9547 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.5.1](https://github.com/HellButcher/tinybox-rs/compare/v0.5.0...v0.5.1) - 2026-10-10
+
+### Fixed
+
+- add Error and Hasher impls
+
+### Other
+
+- more safety comments
+
 ## [0.5.0](https://github.com/HellButcher/tinybox-rs/compare/v0.4.1...v0.5.0) - 2026-10-08
 
 ### Fixed
diff --git a/Cargo.toml b/Cargo.toml
index dffe1c2..576369c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tinybox"
-version = "0.5.0"
+version = "0.5.1"
 description = "Like `Box`, but with an optimization that avoids allocations for small data-structures"
 authors = ["Christoph Hommelsheim <main@chommel.eu>"]
 license = "MIT OR Apache-2.0"