diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 806d6269..50c272d5 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "6.3.0-beta.5"
+  ".": "6.3.0-beta.6"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f62e9d01..428f1495 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [6.3.0-beta.6](https://github.com/adcontextprotocol/adcp-client-python/compare/v6.3.0-beta.5...v6.3.0-beta.6) (2026-05-28)
+
+
+### Bug Fixes
+
+* **validation:** bundle schemas before wheel builds ([0cdcf29](https://github.com/adcontextprotocol/adcp-client-python/commit/0cdcf29b6902961b9b81150049fda9eb3628130e))
+
 ## [6.3.0-beta.5](https://github.com/adcontextprotocol/adcp-client-python/compare/v6.3.0-beta.4...v6.3.0-beta.5) (2026-05-28)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 0d7450af..20b3c22e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "adcp"
-version = "6.3.0b5"
+version = "6.3.0b6"
 description = "Official Python client for the Ad Context Protocol (AdCP)"
 authors = [
     {name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}