diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 45e0801..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,200 +0,0 @@
-build-wheel: &build-wheel
-  working_directory: /work
-  steps:
-  - checkout
-  - run:
-      name: build wheel
-      command: bash /work/ci/build-wheels.sh
-  - run:
-      name: upload
-      command: |
-        if [ $CIRCLE_TAG ]; then source /work/ci/deploy.sh; fi
-
-test: &test
-  working_directory: ~/bencoder.pyx
-  steps:
-    - checkout
-    - run:
-        name: install dependencies
-        command: |
-          sudo pip install -r tox-requirements.txt
-    - restore_cache:
-        keys:
-          - tox-env-{{ checksum "test-requirements" }}-{{ checksum "build-requirements.txt" }}
-          - tox-env-
-    - run:
-        name: test
-        command: |
-          tox -e ${CIRCLE_JOB}
-    - save_cache:
-        key: tox-env-{{ checksum "test-requirements" }}-{{ checksum "build-requirements.txt" }}
-        paths:
-          - .tox
-test_pypy: &test_pypy
-  working_directory: ~/bencoder.pyx
-  steps:
-    - checkout
-    - run:
-        name: install dependencies
-        command: |
-          pip install -r tox-requirements.txt
-    - run:
-        name: test
-        command: |
-          tox -e ${CIRCLE_JOB}
-
-
-version: 2
-jobs:
-  #
-  # test
-  #
-  py27:
-    docker:
-      - image: circleci/python:2.7
-    <<: *test
-  py34:
-    docker:
-      - image: circleci/python:3.4
-    <<: *test
-  py35:
-    docker:
-      - image: circleci/python:3.5
-    <<: *test
-  py36:
-    docker:
-      - image: circleci/python:3.6
-    <<: *test
-  py37:
-    docker:
-      - image: circleci/python:3.7
-    <<: *test
-  pypy:
-    docker:
-      - image: pypy:2
-    <<: *test_pypy
-  pypy3:
-    docker:
-      - image: pypy:3
-    <<: *test_pypy
-
-  #
-  # build manylinux wheel
-  #
-
-  #
-  # x64
-  #
-  manylinux-x64_cp27-cp27m:
-    docker:
-      - image: quay.io/pypa/manylinux1_x86_64
-    <<: *build-wheel
-
-  manylinux-x64_cp27-cp27mu:
-    docker:
-      - image: quay.io/pypa/manylinux1_x86_64
-    <<: *build-wheel
-
-  manylinux-x64_cp34-cp34m:
-    docker:
-      - image: quay.io/pypa/manylinux1_x86_64
-    <<: *build-wheel
-
-  manylinux-x64_cp35-cp35m:
-    docker:
-      - image: quay.io/pypa/manylinux1_x86_64
-    <<: *build-wheel
-
-  manylinux-x64_cp36-cp36m:
-    docker:
-      - image: quay.io/pypa/manylinux1_x86_64
-    <<: *build-wheel
-
-  manylinux-x64_cp37-cp37m:
-    docker:
-      - image: quay.io/pypa/manylinux1_x86_64
-    <<: *build-wheel
-
-  #
-  # x86
-  #
-  manylinux-x86_cp27-cp27m:
-    docker:
-      - image: quay.io/pypa/manylinux1_i686
-    <<: *build-wheel
-
-  manylinux-x86_cp27-cp27mu:
-    docker:
-      - image: quay.io/pypa/manylinux1_i686
-    <<: *build-wheel
-
-  manylinux-x86_cp34-cp34m:
-    docker:
-      - image: quay.io/pypa/manylinux1_i686
-    <<: *build-wheel
-
-  manylinux-x86_cp35-cp35m:
-    docker:
-      - image: quay.io/pypa/manylinux1_i686
-    <<: *build-wheel
-
-  manylinux-x86_cp36-cp36m:
-    docker:
-      - image: quay.io/pypa/manylinux1_i686
-    <<: *build-wheel
-
-  manylinux-x86_cp37-cp37m:
-    docker:
-      - image: quay.io/pypa/manylinux1_i686
-    <<: *build-wheel
-
-
-workflows:
-  version: 2
-  test_and_build:
-    jobs:
-      - py27
-      - py34
-      - py35
-      - py36
-      - py37
-      - pypy
-      - pypy3
-
-      - manylinux-x64_cp27-cp27m:
-          requires:
-            - py27
-      - manylinux-x64_cp27-cp27mu:
-          requires:
-            - py27
-      - manylinux-x64_cp34-cp34m:
-          requires:
-            - py34
-      - manylinux-x64_cp35-cp35m:
-          requires:
-            - py35
-      - manylinux-x64_cp36-cp36m:
-          requires:
-            - py36
-      - manylinux-x64_cp37-cp37m:
-          requires:
-            - py37
-
-      - manylinux-x86_cp27-cp27m:
-          requires:
-            - py27
-      - manylinux-x86_cp27-cp27mu:
-          requires:
-            - py27
-      - manylinux-x86_cp34-cp34m:
-          requires:
-            - py34
-      - manylinux-x86_cp35-cp35m:
-          requires:
-            - py35
-      - manylinux-x86_cp36-cp36m:
-          requires:
-            - py36
-      - manylinux-x86_cp37-cp37m:
-          requires:
-            - py37
diff --git a/.github/renovate.json b/.github/renovate.json
new file mode 100644
index 0000000..669addd
--- /dev/null
+++ b/.github/renovate.json
@@ -0,0 +1,3 @@
+{
+  "extends": ["@whtsky"]
+}
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..f5fe6e3
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,39 @@
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, windows-2019, macos-11]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        if: runner.os == 'Linux'
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: all
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v2.16.2
+        env:
+          CIBW_ARCHS: all
+      - uses: actions/upload-artifact@v3
+        with:
+          path: ./wheelhouse/*.whl
+
+  make_sdist:
+    name: Make SDist
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build SDist
+      run: pipx run build --sdist
+    - uses: actions/upload-artifact@v3
+      with:
+        path: dist/*.tar.gz
\ No newline at end of file
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..c7a9dbb
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,22 @@
+on:
+  push:
+  pull_request:
+name: Test
+jobs:
+  pytest:
+    name: pytest
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+          architecture: "x64"
+      - run: python -m pip install -U pip wheel setuptools
+      - run: python -m pip install -r test-requirements.txt
+      - run: python -m pip install .
+        env:
+          CFLAGS: "-DCYTHON_TRACE=1"
+          BENCODER_LINETRACE: 1
+      - run: python -m pytest --cov=bencoder --cov-report=xml .
+      - uses: codecov/codecov-action@v3.1.4
diff --git a/.gitignore b/.gitignore
index f983405..0bb041c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 __pycache__/
 *.py[cod]
 *$py.class
+.pytest_cache/
 
 # C extensions
 *.so
diff --git a/.sonarcloud.properties b/.sonarcloud.properties
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/.sonarcloud.properties
@@ -0,0 +1 @@
+
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 5fd62b5..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-os: osx
-language: generic
-osx_image: xcode6.4
-env:
-  global:
-    - secure: "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"
-  matrix:
-    - VERSION=2.7
-    - VERSION=3.4
-    - VERSION=3.5
-    - VERSION=3.6
-    - VERSION=3.7
-
-install:
-  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then source ci/travis_osx_install.sh; fi
-
-script:
-  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then source ci/travis_osx_script.sh; fi
-
-after_success:
-  - ls wheelhouse/
-  - if [ $TRAVIS_TAG ]; then source ci/deploy.sh; fi
diff --git a/README.rst b/README.rst
index 2413a3d..9917642 100644
--- a/README.rst
+++ b/README.rst
@@ -3,24 +3,12 @@ Bencoder.pyx
 
 A fast bencode implementation in Cython supports both Python2 & Python3 .
 
-.. image:: https://img.shields.io/travis/whtsky/bencoder.pyx/master.svg?maxAge=3600&label=macOS
-    :alt: macOS Test Status
-    :target: https://travis-ci.org/whtsky/bencoder.pyx
-.. image:: https://img.shields.io/appveyor/ci/whtsky/bencoder-pyx/master.svg?maxAge=3600&label=Windows
-    :alt: Windows Test Status
-    :target: https://ci.appveyor.com/project/whtsky/bencoder-pyx
-.. image:: https://img.shields.io/circleci/ci/whtsky/bencoder-pyx/master.svg?maxAge=3600&label=Linux
-    :alt: Linux Test Status
-    :target: https://circleci.com/gh/whtsky/bencoder.pyx
 .. image:: https://img.shields.io/pypi/l/bencoder.pyx.svg
     :alt: PyPI License
     :target: https://pypi.org/project/bencoder.pyx/
 .. image:: https://codecov.io/gh/whtsky/bencoder.pyx/branch/master/graph/badge.svg
     :alt: Codecov Coverage
     :target: https://codecov.io/gh/whtsky/bencoder.pyx
-.. image:: https://pypistats.com/badge/bencoder-pyx.svg
-    :alt: bencoder-pyx PyPI Downloads
-    :target: https://pypistats.com/package/bencoder-pyx
 
 Install
 -------
@@ -53,6 +41,23 @@ Usage
 ChangeLog
 ----------
 
+Version 3.0.1
+~~~~~~~~~~~~~~~
++ Add support for Python 3.11
+
+Versoin 3.0.0
+~~~~~~~~~~~~~~~
+
++ Add support for Python 3.9 & 3.10
++ Drop support for Python 2
++ Build wheels for musl & aarch64
+
+Version 2.0.1
+~~~~~~~~~~~~~~~
+
++ Add support for Python 3.8
++ Drop support for Python 3.4
+
 Version 2.0.0
 ~~~~~~~~~~~~~~~
 
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100755
index f47a41b..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,51 +0,0 @@
-version: '{branch}-{build}'
-cache:
-  - '%LOCALAPPDATA%\pip\Cache'
-environment:
-  PYPI_PASSWD:
-    secure: pp1j5lAB9NN8ZDasgY+oxoGrNw0+4gGzbNZmHVwJkCzUyrNBP5ZIuCrwjmx4q6ifg7RMiE3bVt9MljFCJh3XpsvVOAcx+AGKsHSjtXd40HM=
-
-  matrix:
-    - PYTHON: "C:\\Python27"
-    - PYTHON: "C:\\Python27-x64"
-    - PYTHON: "C:\\Python34"
-    - PYTHON: "C:\\Python34-x64"
-    - PYTHON: "C:\\Python35"
-    - PYTHON: "C:\\Python35-x64"
-    - PYTHON: "C:\\Python36"
-    - PYTHON: "C:\\Python36-x64"
-    - PYTHON: "C:\\Python37"
-    - PYTHON: "C:\\Python37-x64"
-
-init:
-  - ps: "ls C:/Python*"
-
-install:
-  - SET PATH=%PYTHON%;%PYTHON%\scripts;%PATH%
-  - echo "C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\SetEnv.cmd" /x64 > "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\amd64\vcvars64.bat"
-  - pip install -r dev-requirements.txt
-
-build: off
-
-test_script:
-  - python -m pip install -U pip setuptools
-  - pip install codecov
-  - python setup.py test
-  - codecov --required
-
-after_test:
-  - del bencoder.c
-  - pip install wheel
-  - pip wheel . -w wheelhouse/
-  - ps: "ls wheelhouse/*"
-
-deploy_script:
-  - ps: >-
-      if($env:appveyor_repo_tag -eq 'True') {
-          $env:Path += ";C:\Python35;C:\Python35\scripts"
-          pip install twine
-          twine upload --username whtsky --password $env:PYPI_PASSWD wheelhouse/bencoder*.whl
-      }
-
-artifacts:
-  - path: wheelhouse/bencoder*.whl
diff --git a/bencoder.pyx b/bencoder.pyx
index b193b1f..6bd214d 100644
--- a/bencoder.pyx
+++ b/bencoder.pyx
@@ -12,18 +12,11 @@
 
 # Based on https://github.com/karamanolev/bencode3/blob/master/bencode.py
 
-__version__ = '2.0.0'
-
 
 
 from cpython.version cimport PY_MAJOR_VERSION, PY_MINOR_VERSION
-IS_PY2 = PY_MAJOR_VERSION == 2
-if IS_PY2:
-    END_CHAR = 'e'
-    ARRAY_TYPECODE = b'b'
-else:
-    END_CHAR = ord('e')
-    ARRAY_TYPECODE = 'b'
+END_CHAR = ord('e')
+ARRAY_TYPECODE = 'b'
 
 if PY_MAJOR_VERSION >= 3 and PY_MINOR_VERSION >=7:
     OrderedDict = dict
@@ -81,10 +74,7 @@ for func, keys in [
     (decode_string, [str(x) for x in range(10)])
 ]:
     for key in keys:
-        if IS_PY2:
-            decode_func[key] = func
-        else:
-            decode_func[ord(key)] = func
+        decode_func[ord(key)] = func
 
 
 def bdecode2(bytes x):
diff --git a/build-requirements.txt b/build-requirements.txt
deleted file mode 100644
index 64c06c6..0000000
--- a/build-requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-cython==0.28.5
diff --git a/ci/build-wheels.sh b/ci/build-wheels.sh
deleted file mode 100755
index 41c684a..0000000
--- a/ci/build-wheels.sh
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/bin/bash
-set -e -x
-
-cd /work
-
-MANYLINUX_PYTHON=$(echo ${CIRCLE_JOB} | cut -d"_" -f2)
-ARCHITECTURE=$(echo ${CIRCLE_JOB} | cut -d"_" -f1 | cut -d"-" -f2)
-PYBIN=/opt/python/${MANYLINUX_PYTHON}/bin
-echo "MANYLINUX_PYTHON [${MANYLINUX_PYTHON}] ${ARCHITECTURE}"
-if [ "$ARCHITECTURE" == "x86" ]
-then
-    echo "x86 architect, use linux32"
-    PRE_CMD=linux32
-fi
-${PRE_CMD} ${PYBIN}/pip install -r /work/dev-requirements.txt
-${PRE_CMD} ${PYBIN}/pip wheel /work/ -w /tmp/wheelhouse/
-
-for whl in /tmp/wheelhouse/bencoder*.whl; do
-    auditwheel repair $whl -w /work/wheelhouse/
-done
-
-# Install packages and test again
-${PRE_CMD} ${PYBIN}/pip install bencoder.pyx --no-index -f /work/wheelhouse
-(cd /work; ${PRE_CMD} ${PYBIN}/py.test)
\ No newline at end of file
diff --git a/ci/deploy.sh b/ci/deploy.sh
deleted file mode 100755
index 52362fd..0000000
--- a/ci/deploy.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash
-pip install twine
-twine upload --username whtsky --password $PYPI_PASSWORD wheelhouse/bencoder*.whl
\ No newline at end of file
diff --git a/ci/travis_osx_install.sh b/ci/travis_osx_install.sh
deleted file mode 100644
index 0898d54..0000000
--- a/ci/travis_osx_install.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-git clone https://github.com/matthew-brett/multibuild.git
-source multibuild/osx_utils.sh
-get_macpython_environment $VERSION venv
-pip install --upgrade pip wheel
-pip install -r test-requirements.txt
\ No newline at end of file
diff --git a/ci/travis_osx_script.sh b/ci/travis_osx_script.sh
deleted file mode 100644
index 0ac430a..0000000
--- a/ci/travis_osx_script.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-python setup.py test
-bash <(curl -s https://codecov.io/bash)
-rm bencoder.c
-pip wheel . -w wheelhouse/
\ No newline at end of file
diff --git a/dev-requirements.txt b/dev-requirements.txt
deleted file mode 100644
index fdb9b6a..0000000
--- a/dev-requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
--r test-requirements.txt
--r tox-requirements.txt
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..f890cb0
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,7 @@
+[build-system]
+requires = ["cython>=0.29.32", "setuptools>=58.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[tool.cibuildwheel]
+test-requires = "pytest"
+test-command = "pytest {project}/tests"
diff --git a/release.sh b/release.sh
deleted file mode 100755
index b13ac2e..0000000
--- a/release.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/usr/bin/env bash
-rm -rf wheelhouse/
-rm -rf dist/
-cython bencoder.pyx
-python setup.py sdist --formats=zip,gztar
-tox -c tox-wheels.ini
-twine upload dist/*
-twine upload wheelhouse/*
\ No newline at end of file
diff --git a/renovate.json b/renovate.json
deleted file mode 100644
index f45d8f1..0000000
--- a/renovate.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "extends": [
-    "config:base"
-  ]
-}
diff --git a/setup.py b/setup.py
index 23ed072..32744ca 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 import os.path
 import sys
-import platform
+import os
 
 from setuptools import setup
 from setuptools.extension import Extension
@@ -9,39 +9,23 @@
 pyx_path = 'bencoder.pyx'
 c_path = 'bencoder.c'
 
-try:
-    import Cython
-    HAVE_CYTHON = True
-except ImportError:
-    HAVE_CYTHON = False
-
-if HAVE_CYTHON:
-    if os.path.exists(c_path):
-        # Remove C file to force Cython recompile.
-        os.remove(c_path)
-    if 'test' in sys.argv and platform.python_implementation() == 'CPython':
-        from Cython.Build import cythonize
-        ext_modules = cythonize(Extension(
-            "bencoder",
-            [pyx_path],
-            define_macros=[('CYTHON_TRACE', '1')] 
-        ), compiler_directives={
-            'linetrace': True,
-            'binding': True
-        })
-    else:
-        from Cython.Build import cythonize
-        ext_modules = cythonize(Extension(
-            "bencoder",
-            [pyx_path],
-            extra_compile_args=['-O3']
-        ))
-else:
-    ext_modules = [Extension(
-        'bencoder',
-        [c_path],
-        extra_compile_args=['-O3']
-    )]
+if os.path.exists(c_path):
+    # Remove C file to force Cython recompile.
+    os.remove(c_path)
+
+if os.environ.get("BENCODER_LINETRACE", "") == "1":
+    from Cython.Compiler.Options import get_directive_defaults
+    directive_defaults = get_directive_defaults()
+
+    directive_defaults['linetrace'] = True
+    directive_defaults['binding'] = True
+
+from Cython.Build import cythonize
+ext_modules = cythonize(Extension(
+    "bencoder",
+    [pyx_path],
+    extra_compile_args=['-O3']
+))
 
 
 class PyTest(TestCommand):
@@ -68,33 +52,10 @@ def run_tests(self):
 cmdclass = {'test': PyTest}
 
 
-# patch bdist_wheel
-try:
-    from wheel.bdist_wheel import bdist_wheel
-
-    REPLACE = '.'.join([
-        'macosx_10_6_intel',
-        'macosx_10_9_intel',
-        'macosx_10_9_x86_64',
-        'macosx_10_10_intel',
-        'macosx_10_10_x86_64',
-    ])
-
-    class _bdist_wheel(bdist_wheel):
-        def get_tag(self):
-            tag = bdist_wheel.get_tag(self)
-            if tag[2] == 'macosx_10_6_intel':
-                tag = (tag[0], tag[1], REPLACE)
-            return tag
-
-    cmdclass['bdist_wheel'] = _bdist_wheel
-except ImportError:
-    pass
-
 
 setup(
     name='bencoder.pyx',
-    version='2.0.0',
+    version='3.0.1',
     description='Yet another bencode implementation in Cython',
     long_description=open('README.rst', 'r').read(),
     author='whtsky',
@@ -114,13 +75,13 @@ def get_tag(self):
         'Operating System :: OS Independent',
         'Programming Language :: Cython',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Intended Audience :: Developers',
diff --git a/test-requirements.txt b/test-requirements.txt
index 1ff817a..0db84cc 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,3 @@
--r build-requirements.txt
-pytest==3.7.3
-coverage==4.5.2
+Cython==0.29.32
+pytest==7.2.0
+pytest-cov==4.0.0
diff --git a/tox-requirements.txt b/tox-requirements.txt
deleted file mode 100644
index 0c5e6bc..0000000
--- a/tox-requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-tox==3.2.0
diff --git a/tox-wheels.ini b/tox-wheels.ini
deleted file mode 100644
index e6c6eaa..0000000
--- a/tox-wheels.ini
+++ /dev/null
@@ -1,8 +0,0 @@
-[tox]
-envlist = py27, py34, py35, py36, py37
-
-[testenv]
-commands = pip wheel {toxinidir} -w {toxinidir}/wheelhouse/
-skip_install = True
-deps =
-  -rbuild-requirements.txt
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index f1c84bb..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,23 +0,0 @@
-[tox]
-envlist = py27, py34, py35, py36, py37, pypy, pypy3
-
-[testenv]
-commands = 
-  python setup.py test
-  codecov -e TOXENV
-skip_install = True
-passenv = 
-  CI
-  BRANCH_NAME
-  REVISION
-  CODECOV_TOKEN 
-  TOXENV
-  SEMAPHORE
-  SEMAPHORE_*
-  TRAVIS
-  CIRCLECI
-  CIRCLE_*
-
-deps =
-  -rtest-requirements.txt
-  codecov>=1.4.0