diff --git a/pyproject.toml b/pyproject.toml
index 8d03954..b2c11e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "python-agent-harness"
-version = "1.2.0"
+version = "1.3.0"
 description = "Python agent execution harness: agent loop, tools, plan/build modes, sessions"
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/python_agent_harness/__init__.py b/python_agent_harness/__init__.py
index bc77def..e3b1121 100644
--- a/python_agent_harness/__init__.py
+++ b/python_agent_harness/__init__.py
@@ -5,7 +5,7 @@
 from .mcp.manager import MCPManager
 from .models import AgentMode, Message, ToolCall, ToolSpec
 
-__version__ = "1.2.0"
+__version__ = "1.3.0"
 
 __all__ = [
     "AgentSession",