diff --git a/CHANGELOG.md b/CHANGELOG.md
index 388abd8..73fb007 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+
+## [0.4.0] - 2026-06-26
+
 ### Changed
 
 - **Renamed the distribution from `hotdata-runtime` to `hotdata-framework`** and the import package from `hotdata_runtime` to `hotdata_framework`. Consumers should depend on `hotdata-framework` and use `import hotdata_framework`. The GitHub repository is now `sdk-python-framework`.
diff --git a/pyproject.toml b/pyproject.toml
index 2c3a98b..076125f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "hotdata-framework"
-version = "0.3.0"
+version = "0.4.0"
 description = "Python framework for building Hotdata integrations: workspace/session runtime, query execution, and managed databases"
 readme = "README.md"
 requires-python = ">=3.10"
diff --git a/uv.lock b/uv.lock
index 314ca25..53c2620 100644
--- a/uv.lock
+++ b/uv.lock
@@ -101,7 +101,7 @@ wheels = [
 
 [[package]]
 name = "hotdata-framework"
-version = "0.3.0"
+version = "0.4.0"
 source = { editable = "." }
 dependencies = [
     { name = "hotdata" },