diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
new file mode 100644
index 0000000..fc6b0d1
--- /dev/null
+++ b/.github/workflows/python-package.yml
@@ -0,0 +1,37 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: Python package
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.7, 3.8]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      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-dev.txt
+    - name: Lint
+      run: |
+        black quart_prometheus_logger.py utils.py --check
+        mypy quart_prometheus_logger.py utils.py
+        pylint quart_prometheus_logger.py utils.py
+    - name: Test with pytest
+      run: |
+        pytest
diff --git a/quart_prometheus_logger.py b/quart_prometheus_logger.py
index 5d86851..226197b 100644
--- a/quart_prometheus_logger.py
+++ b/quart_prometheus_logger.py
@@ -63,6 +63,7 @@ def __init__(self, app: Optional[Quart] = None, metrics_endpoint: str = "root"):
         :param metrics_endpoint: The endpoint that will be scraped by Prometheus,
                             under this endpoint, the /metrics url will be registered, defaults to "root"
         """
+        # TODO: Add custom metrics support
         self._collectors: Dict[str, MetricType] = {}
         self._custom_labeler: Optional[Callable[["LocalProxy"], Dict[str, str]]] = None
         self._custom_label_names: List[str] = []