diff --git a/CHANGELOG.md b/CHANGELOG.md
index d42be39..7e93973 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ 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).
 
+## [0.1.0] - 2026-09-18
+
+### Changed
+- Publish PyPI releases through the tag-triggered GitHub Actions workflow.
+- Upgrade GitHub Actions dependencies for checkout, Python setup, and dependency review.
+
 ## [0.0.9] - 2026-09-18
 
 ### Changed
diff --git a/pyproject.toml b/pyproject.toml
index 6db6148..4a04882 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "workflow-exec-engine"
-version = "0.0.9"
+version = "0.1.0"
 description = "Standalone workflow execution SDK for A2A-T multi-agent orchestration"
 readme = "README.md"
 license = "Apache-2.0"