diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/Linux_CI.yml
similarity index 82%
rename from .github/workflows/pythonpackage.yml
rename to .github/workflows/Linux_CI.yml
index 7d1014ca..293c5621 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/Linux_CI.yml
@@ -1,4 +1,4 @@
-name: Python package
+name: Linux_CI
 
 on: [push, pull_request]
 
@@ -7,14 +7,17 @@ jobs:
 
     runs-on: ubuntu-latest
     strategy:
-      max-parallel: 4
       matrix:
-        python-version: [3.7]
+        python-version: ['3.8']
+
+    name: Python ${{ matrix.python-version }} CI
 
     steps:
-    - uses: actions/checkout@v1
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+    - uses: actions/checkout@v2
+    - run: git fetch --prune --unshallow
+
+    - name: Setup python
+      uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
diff --git a/.github/workflows/MacOS_CI.yml b/.github/workflows/MacOS_CI.yml
new file mode 100644
index 00000000..3a28347b
--- /dev/null
+++ b/.github/workflows/MacOS_CI.yml
@@ -0,0 +1,58 @@
+# This is a basic workflow to help you get started with Actions
+
+name: MacOS_CI
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [ '3.8' ]
+    name: Python ${{ matrix.python-version }} CI
+    steps:
+      - uses: actions/checkout@v2
+      - run: git fetch --prune --unshallow
+
+      - name: Setup python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+      - name: install coverage
+        run: pip install coverage
+
+      - name: install mypy
+        run: pip install mypy
+
+      - name: install pycodestyle
+        run: pip install pycodestyle
+
+      - name: mypy check
+        run: |
+          find AerialNavigation -name "*.py" | xargs mypy
+          find ArmNavigation -name "*.py" | xargs mypy
+          find Bipedal -name "*.py" | xargs mypy
+          find InvertedPendulumCart -name "*.py" | xargs mypy
+          find Localization -name "*.py" | xargs mypy
+          find Mapping -name "*.py" | xargs mypy
+          find PathPlanning -name "*.py" | xargs mypy
+          find PathTracking -name "*.py" | xargs mypy
+          find SLAM -name "*.py" | xargs mypy
+
+      - name: do diff style check
+        run: bash rundiffstylecheck.sh
+
+      - name: do all unit tests
+        run: bash runtests.sh
+
+
+
+
diff --git a/.travis.yml b/.travis.yml
index 042c69ee..da82e606 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ matrix:
     - os: linux
 
 python:
-  - 3.7
+  - 3.8
 
 before_install:
     - sudo apt-get update
diff --git a/README.md b/README.md
index aa9a47ca..4a64f536 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 <img src="https://github.com/AtsushiSakai/PythonRobotics/raw/master/icon.png?raw=true" align="right" width="300" alt="header pic"/>
 
 # PythonRobotics
+![GitHub_Action_Linux_CI](https://github.com/AtsushiSakai/PythonRobotics/workflows/Linux_CI/badge.svg)
+![GitHub_Action_MacOS_CI](https://github.com/AtsushiSakai/PythonRobotics/workflows/MacOS_CI/badge.svg)
 [![Build Status](https://travis-ci.org/AtsushiSakai/PythonRobotics.svg?branch=master)](https://travis-ci.org/AtsushiSakai/PythonRobotics)
 [![Documentation Status](https://readthedocs.org/projects/pythonrobotics/badge/?version=latest)](https://pythonrobotics.readthedocs.io/en/latest/?badge=latest)
 [![Build status](https://ci.appveyor.com/api/projects/status/sb279kxuv1be391g?svg=true)](https://ci.appveyor.com/project/AtsushiSakai/pythonrobotics)
@@ -90,7 +92,7 @@ See this paper for more details:
 
 # Requirements
 
-- Python 3.7.x (2.7 is not supported)
+- Python 3.8.x
 
 - numpy
 
diff --git a/appveyor.yml b/appveyor.yml
index 33d4d029..f34bcb2b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,3 +1,5 @@
+os: Visual Studio 2019
+
 environment:
   global:
     # SDK v7.0 MSVC Express 2008's SetEnv.cmd script will fail if the
@@ -6,7 +8,8 @@ environment:
     CMD_IN_ENV: "cmd /E:ON /V:ON /C .\\appveyor\\run_with_env.cmd"
 
   matrix:
-    - MINICONDA: C:\Miniconda37-x64
+    - MINICONDA: C:\Miniconda38-x64
+      PYTHON_VERSION: "3.8"
 
 init:
   - "ECHO %MINICONDA% %PYTHON_VERSION% %PYTHON_ARCH%"
@@ -24,13 +27,12 @@ install:
   - ECHO "Filesystem root:"
   - ps: "ls \"C:/\""
 
-  - ECHO "Installed SDKs:"
-  - ps: "ls \"C:/Program Files/Microsoft SDKs/Windows\""
-
   # Prepend newly installed Python to the PATH of this build (this cannot be
   # done from inside the powershell script as it would require to restart
   # the parent CMD process).
-  - "SET PATH=%MINICONDA%;%MINICONDA%\\Scripts;%PATH%"
+  - SET PATH=%MINICONDA%;%MINICONDA%\\Scripts;%PATH%
+  - SET PATH=%PYTHON%;%PYTHON%\Scripts;%PYTHON%\Library\bin;%PATH%
+  - SET PATH=%PATH%;C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin
   - conda config --set always_yes yes --set changeps1 no
   - conda update -q conda
   - conda info -a