diff --git a/.coverage b/.coverage
index 92578ae..9b50848 100644
Binary files a/.coverage and b/.coverage differ
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 7d2cca3..7cae0a2 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -28,6 +28,11 @@ jobs:
           python -m pip install --upgrade pip
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
 
-      - name: Test with unittest
+      - name: Run tests with coverage
         run: |
-          python -m unittest
+          coverage run -m unittest discover
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v2
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}