diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ddfb5d5..d18e944 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.12.2"
+  ".": "2.13.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5a0e94..7a128ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.13.0](https://github.com/adcontextprotocol/adcp-client-python/compare/v2.12.2...v2.13.0) (2025-12-07)
+
+
+### Features
+
+* add __str__ methods and filter params tests ([#92](https://github.com/adcontextprotocol/adcp-client-python/issues/92)) ([6358542](https://github.com/adcontextprotocol/adcp-client-python/commit/6358542df3db2bf465b7bb342c2c49be6d455a15))
+
 ## [2.12.2](https://github.com/adcontextprotocol/adcp-client-python/compare/v2.12.1...v2.12.2) (2025-11-29)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 01c7aff..e53354f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "adcp"
-version = "2.12.2"
+version = "2.13.0"
 description = "Official Python client for the Ad Context Protocol (AdCP)"
 authors = [
     {name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}
diff --git a/src/adcp/__init__.py b/src/adcp/__init__.py
index 2bad745..75a3cf0 100644
--- a/src/adcp/__init__.py
+++ b/src/adcp/__init__.py
@@ -179,7 +179,7 @@
     validate_publisher_properties_item,
 )
 
-__version__ = "2.12.2"
+__version__ = "2.13.0"
 
 
 def get_adcp_version() -> str: