diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 56f3695..c25ed7a 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -5,42 +5,46 @@ name: tests
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main, develop ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:
-
-    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.7, 3.8, 3.9]
-
+        python-version: [ 3.7, 3.8, 3.9, "3.10" ]
+        poetry-version: [ 1.0, 1.1.11 ]
+        os: [ ubuntu-18.04, macos-latest, windows-latest ]
+    runs-on: ${{ matrix.os }}
     steps:
-    - name: (1/5) Checkout
-      uses: actions/checkout@v2
-
-    - name: (2/5) Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
-
-    - name: (3/5) Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install flake8 pytest
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-        if [ -f setup.py ]; then python setup.py install; fi
-
-    - name: (4/5) Lint with flake8
-      run: |
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-
-    - name: (5/5) Test with pytest
-      run: |
-        pytest
+      - name: (1/6) Checkout
+        uses: actions/checkout@v2
+
+      - name: (2/6) Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: (3/6) Install poetry
+        uses: abatilo/actions-poetry@v2.0.0
+        with:
+          poetry-version: ${{ matrix.poetry-version }}
+
+      - name: (4/6) Install dependencies
+        run: |
+          poetry install
+
+      - name: (5/6) Lint with flake8
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install flake8 pytest
+          # stop the build if there are Python syntax errors or undefined names
+          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+
+      - name: (6/6) Test with pytest
+        run: |
+          poetry run pytest