diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 384a5f7..acacdc5 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -22,13 +22,13 @@ jobs:
         with:
           python-version: "3.x"
 
-      - name: Install build dependencies
+      - name: Install hatch dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install build
+          pip install hatch
 
       - name: Build package
-        run: python -m build
+        run: hatch build
 
       - name: Publish to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/.python-version b/.python-version
index fdcfcfd..7c7a975 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.12
\ No newline at end of file
+3.10
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index a941b12..1ade63a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "excel-mcp-server"
-version = "0.1.2"
+version = "0.1.3"
 description = "Excel MCP Server for manipulating Excel files"
 readme = "README.md"
 requires-python = ">=3.10"
diff --git a/src/excel_mcp/__main__.py b/src/excel_mcp/__main__.py
index 61125cf..75d97fc 100644
--- a/src/excel_mcp/__main__.py
+++ b/src/excel_mcp/__main__.py
@@ -1,6 +1,5 @@
 import asyncio
 import typer
-from typing import Optional
 
 from .server import run_sse, run_stdio
 
diff --git a/src/excel_mcp/server.py b/src/excel_mcp/server.py
index fe9e3cc..86a16ec 100644
--- a/src/excel_mcp/server.py
+++ b/src/excel_mcp/server.py
@@ -1,5 +1,4 @@
 import logging
-import sys
 import os
 from typing import Any, List, Dict
 
@@ -44,7 +43,6 @@ from excel_mcp.sheet import (
 ROOT_DIR = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 LOG_FILE = os.path.join(ROOT_DIR, "excel-mcp.log")
 
-
 # Initialize EXCEL_FILES_PATH variable without assigning a value
 EXCEL_FILES_PATH = None
 
@@ -62,7 +60,7 @@ logger = logging.getLogger("excel-mcp")
 # Initialize FastMCP server
 mcp = FastMCP(
     "excel-mcp",
-    version="0.1.2",
+    version="0.1.3",
     description="Excel MCP Server for manipulating Excel files",
     dependencies=["openpyxl>=3.1.2"],
     env_vars={