diff --git a/sdk/CHANGELOG.md b/sdk/CHANGELOG.md
index ffaa2bee..37e45520 100644
--- a/sdk/CHANGELOG.md
+++ b/sdk/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.1] - 2026-09-07
+
 ### Fixed
 - `BaseMessage.data` has its `{}` default back, now declared with
   `validate_default=True`. 0.4.0 made the field required to stop typed
diff --git a/sdk/pyproject.toml b/sdk/pyproject.toml
index 236ca963..a26e349b 100644
--- a/sdk/pyproject.toml
+++ b/sdk/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "eggai"
-version = "0.4.0"
+version = "0.4.1"
 description = "EggAI Multi-Agent Meta Framework` is an async-first framework for building, deploying, and scaling multi-agent systems for modern enterprise environments"
 authors = ["Stefano Tucci <stefanotucci89@gmail.com>"]
 readme = "README.md"