diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index cd4a170..1de7ffa 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -1,8 +1,6 @@
 name: publish-pypi
 
 on:
-  release:
-    types: [published]
   workflow_dispatch:
     inputs:
       upload:
@@ -11,38 +9,7 @@ on:
         default: 'true'
 
 jobs:
-  update-version:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    if: github.event_name == 'release'
-
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          ref: main
-
-      - name: Extract version from tag
-        id: version
-        run: |
-          VERSION=${{ github.event.release.tag_name }}
-          VERSION=${VERSION#v}  # Remove 'v' prefix if present
-          echo "version=$VERSION" >> $GITHUB_OUTPUT
-
-      - name: Update pyproject.toml
-        run: |
-          sed -i 's/version = "[^"]*"/version = "${{ steps.version.outputs.version }}"/' pyproject.toml
-
-      - name: Commit and push version update
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-          git add pyproject.toml
-          git commit -m "chore: bump version to ${{ steps.version.outputs.version }}"
-          git push origin main
-
   build:
-    needs: update-version
     runs-on: ubuntu-latest
 
     steps:
diff --git a/pyproject.toml b/pyproject.toml
index 5e645f2..178b8b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "struct"
-version = "1.0.0"
+version = "2.8.1"
 description = "A structured data processing tool"
 readme = "README.md"
 license = {text = "MIT"}
diff --git a/struct_module/__init__.py b/struct_module/__init__.py
index 89215ed..f0e7330 100644
--- a/struct_module/__init__.py
+++ b/struct_module/__init__.py
@@ -1,2 +1,6 @@
-# Struct Module
-__version__ = '1.0.0'
+from importlib.metadata import version, PackageNotFoundError
+
+try:
+    __version__ = version('struct')
+except PackageNotFoundError:
+    __version__ = "unknown"
diff --git a/struct_module/mcp_server.py b/struct_module/mcp_server.py
index 8a4f146..024d807 100644
--- a/struct_module/mcp_server.py
+++ b/struct_module/mcp_server.py
@@ -18,13 +18,14 @@
 
 from struct_module.commands.generate import GenerateCommand
 from struct_module.commands.validate import ValidateCommand
+from struct_module import __version__
 
 
 class StructMCPServer:
     """FastMCP-based MCP Server for struct tool operations."""
 
     def __init__(self):
-        self.app = FastMCP("struct-mcp-server", version="1.0.0")
+        self.app = FastMCP("struct-mcp-server", version=__version__)
         self.logger = logging.getLogger(__name__)
         self._register_tools()