diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index f937a06..1ce43c6 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -1,36 +1,33 @@
-# This is a basic workflow to help you get started with Actions
-
 name: CI
 
-# Controls when the workflow will run
 on:
-  # Triggers the workflow on push or pull request events but only for the master branch
   push:
-    branches: [ master ]
+    branches:
+      - master
   pull_request:
-    branches: [ master ]
 
-  # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "build"
   build:
-    # The type of runner that the job will run on
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.7', '3.8', '3.9', '3.10']
 
-    # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+    - uses: actions/checkout@v1
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+        cache: pip
 
-      # Runs a single command using the runners shell
-      - name: Run a one-line script
-        run: echo Hello, world!
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip setuptools wheel
+        python -m pip install -r test-requirements.txt
 
-      # Runs a set of commands using the runners shell
-      - name: Run a multi-line script
-        run: |
-          echo Add other actions to build,
-          echo test, and deploy your project.
+    - name: Test with tox
+      run: tox
diff --git a/setup.py b/setup.py
index 5489686..ebfd16b 100644
--- a/setup.py
+++ b/setup.py
@@ -37,8 +37,10 @@ def read(*names, **kwargs):
         '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 :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],
     author="Yasushi Masuda",
diff --git a/test-requirements.txt b/test-requirements.txt
new file mode 100644
index 0000000..50ea9fc
--- /dev/null
+++ b/test-requirements.txt
@@ -0,0 +1,2 @@
+tox==3.24.5
+tox-gh-actions==2.9.1