chore(main): release 5.2.1

Author: github-actions[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "5.2.0"
+  ".": "5.2.1"
 }

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## [5.2.1](https://github.com/adcontextprotocol/adcp-client-python/compare/v5.2.0...v5.2.1) (2026-05-12)
+
+
+### Bug Fixes
+
+* **compat:** extract hostname from brand_manifest URLs with paths ([#679](https://github.com/adcontextprotocol/adcp-client-python/issues/679)) ([6bb2c26](https://github.com/adcontextprotocol/adcp-client-python/commit/6bb2c2624fd044bec443281b88f636388754b9ec)), closes [#677](https://github.com/adcontextprotocol/adcp-client-python/issues/677)
+* **server:** preserve Starlette lifespan when public_url is callable ([#680](https://github.com/adcontextprotocol/adcp-client-python/issues/680)) ([8632847](https://github.com/adcontextprotocol/adcp-client-python/commit/86328470ff9b53f6837368edd14851c16032efa7)), closes [#676](https://github.com/adcontextprotocol/adcp-client-python/issues/676)
+
 ## [5.2.0](https://github.com/adcontextprotocol/adcp-client-python/compare/v5.1.0...v5.2.0) (2026-05-11)
 
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "adcp"
-version = "5.2.0"
+version = "5.2.1"
 description = "Official Python client for the Ad Context Protocol (AdCP)"
 authors = [
     {name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}