diff --git a/.github/workflows/windows-x64-cpu-vs2019-python.yml b/.github/workflows/windows-x64-cpu-vs2019-python.yml
index 834dfe8a3..802f235e9 100644
--- a/.github/workflows/windows-x64-cpu-vs2019-python.yml
+++ b/.github/workflows/windows-x64-cpu-vs2019-python.yml
@@ -5,7 +5,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8]
+        python-version: [3.5, 3.6, 3.7, 3.8, 3.9]
     steps:
     - name: cancel-previous-runs
       uses: styfle/cancel-workflow-action@0.7.0
@@ -21,7 +21,7 @@ jobs:
     - name: install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install pytest
+        pip install pytest setuptools wheel twine
     - name: cache-protobuf
       id: cache-protobuf
       uses: actions/cache@v1
@@ -40,9 +40,18 @@ jobs:
     - name: build
       run: |
         mkdir build; cd build
-        cmake -DProtobuf_INCLUDE_DIR="$env:GITHUB_WORKSPACE\protobuf-install\include" -DProtobuf_LIBRARIES="$env:GITHUB_WORKSPACE\protobuf-install\lib\libprotobuf.lib" -DProtobuf_PROTOC_EXECUTABLE="$env:GITHUB_WORKSPACE\protobuf-install\bin\protoc.exe" -DNCNN_PYTHON=ON ..
+        cmake -DProtobuf_INCLUDE_DIR="$env:GITHUB_WORKSPACE\protobuf-install\include" -DProtobuf_LIBRARIES="$env:GITHUB_WORKSPACE\protobuf-install\lib\libprotobuf.lib" -DProtobuf_PROTOC_EXECUTABLE="$env:GITHUB_WORKSPACE\protobuf-install\bin\protoc.exe" -DNCNN_PYTHON=ON -DNCNN_BUILD_BENCHMARK=OFF -DNCNN_BUILD_EXAMPLES=OFF -DNCNN_BUILD_TOOLS=OFF ..
         cmake --build . --config Release -j 2
     - name: install python
       run: cd python && pip install .
     - name: test
       run: cd python && pytest tests
+    - name: build and publish
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ secrets.TEST_PYPI_API_TOKEN }}
+        TWINE_REPOSITORY_URL: "https://test.pypi.org/legacy/"
+      run: |
+        cd python
+        python setup.py bdist_wheel
+        twine upload dist/*
\ No newline at end of file
diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index e6d2bbb40..8566bc2cd 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.4)
 
 project(pyncnn)
 
-set(PACKAGE_VERSION "0.0.2")
+set(PACKAGE_VERSION ${NCNN_VERSION_STRING})
 add_definitions(-DVERSION_INFO="${PACKAGE_VERSION}")
 
 set( CMAKE_CXX_STANDARD 11 )
diff --git a/python/setup.py.i b/python/setup.py.i
index 7bcd2cf5e..962c0935c 100644
--- a/python/setup.py.i
+++ b/python/setup.py.i
@@ -2,22 +2,43 @@ from setuptools import setup, find_packages
 
 import sys
 if sys.version_info < (3,0):
-  sys.exit('Sorry, Python < 3.0 is not supported')
+  sys.exit("Sorry, Python < 3.0 is not supported")
+
+try:
+    from wheel.bdist_wheel import bdist_wheel as _bdist_wheel
+    class bdist_wheel(_bdist_wheel):
+        def finalize_options(self):
+            _bdist_wheel.finalize_options(self)
+            self.root_is_pure = False
+except ImportError:
+    bdist_wheel = None
 
 requirements = [
-    'numpy',
-    #'tqdm',
-    #'requests',
-    #'portalocker',
-    #'opencv-python'
+    "numpy",
+    #"tqdm",
+    #"requests",
+    #"portalocker",
+    #"opencv-python"
 ]
 
 setup(
-  name          = 'ncnn',
-  version       = '${PACKAGE_VERSION}',
-  url           = 'https://github.com/Tencent/ncnn',
-  packages      = find_packages(),
-  package_dir   = {'': '.'},
-  package_data  = {'ncnn': ['ncnn${PYTHON_MODULE_PREFIX}${PYTHON_MODULE_EXTENSION}']},
-  install_requires = requirements
+  name              = "ncnn",
+  version           = "${PACKAGE_VERSION}",
+  author            = "nihui",
+  author_email      = "nihuini@tencent.com",
+  maintainer        = "caishanli",
+  maintainer_email  = "caishanli25@gmail.com",
+  description       = "ncnn is a high-performance neural network inference framework optimized for the mobile platform",
+  url               = "https://github.com/Tencent/ncnn",
+  classifiers       = [
+        "Programming Language :: Python :: 3",
+        "License :: OSI Approved :: BSD License",
+        "Operating System :: OS Independent",
+  ],
+  python_requires   = ">=3.5",
+  packages          = find_packages(),
+  package_dir       = {"": "."},
+  package_data      = {"ncnn": ["ncnn${PYTHON_MODULE_PREFIX}${PYTHON_MODULE_EXTENSION}"]},
+  install_requires  = requirements,
+  cmdclass          = {"bdist_wheel": bdist_wheel},
 )