diff --git a/integrations/adk-middleware/python/CHANGELOG.md b/integrations/adk-middleware/python/CHANGELOG.md
index 2ce98e0127..f32931fb85 100644
--- a/integrations/adk-middleware/python/CHANGELOG.md
+++ b/integrations/adk-middleware/python/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.5.2] - 2026-03-26
+
 ### Changed
 
 - **CHORE**: Cap `google-adk` dependency at `<2.0.0` to prevent breakage when ADK 2.0 ships
diff --git a/integrations/adk-middleware/python/pyproject.toml b/integrations/adk-middleware/python/pyproject.toml
index e7752aae72..50fa75b44a 100644
--- a/integrations/adk-middleware/python/pyproject.toml
+++ b/integrations/adk-middleware/python/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "ag_ui_adk"
 description = "ADK Middleware for AG-UI Protocol"
-version = "0.5.1"
+version = "0.5.2"
 readme = "README.md"
 authors = [
     { name = "Mark Fogle", email = "mark@contextable.com" }