diff --git a/Cargo.toml b/Cargo.toml
index 7ece49c..5158c9c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ members = ["cdevents-sdk", "generator"]
 
 [workspace.package]
 edition = "2024"
-version = "0.4.1"
+version = "0.4.2"
 license = "Apache-2.0"
 repository = "https://github.com/cdevents/sdk-rust"
 rust-version = "1.85"
diff --git a/cdevents-sdk/CHANGELOG.md b/cdevents-sdk/CHANGELOG.md
index 4da2348..7f3f3d1 100644
--- a/cdevents-sdk/CHANGELOG.md
+++ b/cdevents-sdk/CHANGELOG.md
@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.2](https://github.com/cdevents/sdk-rust/compare/cdevents-sdk-v0.4.1...cdevents-sdk-v0.4.2) - 2026-06-25
+
+### Other
+
+- update README ([#74](https://github.com/cdevents/sdk-rust/pull/74))
+
 ## [0.4.1](https://github.com/cdevents/sdk-rust/compare/cdevents-sdk-v0.4.0...cdevents-sdk-v0.4.1) - 2026-06-25
 
 ### Fixed