diff --git a/.github/workflows/Publish.yml b/.github/workflows/Publish.yml
index b00b1f1b..fd377770 100644
--- a/.github/workflows/Publish.yml
+++ b/.github/workflows/Publish.yml
@@ -10,7 +10,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - run: python setup.py bdist_wheel
+      - run: python setup.py bdist_wheel --python-tag=py3
       - name: Publish package
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
diff --git a/setup.py b/setup.py
index d03fd91f..21b2f713 100644
--- a/setup.py
+++ b/setup.py
@@ -4,6 +4,7 @@
 import os
 import re
 import time
+import sys
 
 from setuptools import find_packages
 from setuptools import setup
@@ -33,6 +34,10 @@
 with open(os.path.join(here, 'brainpy', '__init__.py'), 'r') as f:
   init_py = f.read()
 version = re.search('__version__ = "(.*)"', init_py).groups()[0]
+if len(sys.argv) > 2 and sys.argv[2] == '--python-tag=py3':
+  version = version
+else:
+  version += '.post{}'.format(time.strftime("%Y%m%d", time.localtime()))
 
 # obtain long description from README
 with io.open(os.path.join(here, 'README.md'), 'r', encoding='utf-8') as f:
@@ -44,7 +49,7 @@
 # setup
 setup(
   name='brainpy',
-  version=version + '.post{}'.format(time.strftime("%Y%m%d", time.localtime())),
+  version=version,
   description='BrainPy: Brain Dynamics Programming in Python',
   long_description=README,
   long_description_content_type="text/markdown",