diff --git a/pyproject.toml b/pyproject.toml
index 6c0524e..3e68734 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "ppclock"
-version = "0.2.0"
+version = "0.2.0b1"
 description = "4.2寸墨水屏设备离线 CLI 上位机（DA14585 BLE，agent 友好）"
 requires-python = ">=3.10"
 dependencies = [
@@ -14,7 +14,8 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = ["pytest>=8", "pytest-asyncio"]
-mcp = ["mcp>=1.10,<2"]
+# 地板 1.23：transport_security（--allowed-hosts 依赖）自 1.23 引入 + CVE-2025-66416 修复
+mcp = ["mcp>=1.23,<2"]
 
 [project.scripts]
 ppclock = "ppclock.cli:main"
diff --git a/src/ppclock/__init__.py b/src/ppclock/__init__.py
index efaffc0..8a6ce42 100644
--- a/src/ppclock/__init__.py
+++ b/src/ppclock/__init__.py
@@ -16,7 +16,7 @@
 - bridge_server：BLE 桥服务端（ppclock-bridge 命令）
 - device_manager / mcp_tools / mcp_server：MCP 服务器（ppclock-mcp 命令）
 """
-__version__ = "0.2.0"
+__version__ = "0.2.0b1"
 
 from .client import PPClient
 from .transports.base import Transport, TransportError