diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 38da5b6a..b85605b8 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "6.4.1"
+  ".": "6.5.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 89c21665..4ed72bef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [6.5.0](https://github.com/adcontextprotocol/adcp-client-python/compare/v6.4.1...v6.5.0) (2026-06-28)
+
+
+### Features
+
+* **types:** lazy, typed public surface with curated partial modules ([#963](https://github.com/adcontextprotocol/adcp-client-python/issues/963)) ([cad9840](https://github.com/adcontextprotocol/adcp-client-python/commit/cad9840e2662ee063f0df385ada07e289a2b2cf7))
+
 ## [6.4.1](https://github.com/adcontextprotocol/adcp-client-python/compare/v6.4.0...v6.4.1) (2026-06-28)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 628b410c..2371e200 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "adcp"
-version = "6.4.1"
+version = "6.5.0"
 description = "Official Python client for the Ad Context Protocol (AdCP)"
 authors = [
     {name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}