diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
index 31aefeb..7137026 100644
--- a/.github/workflows/tox.yml
+++ b/.github/workflows/tox.yml
@@ -30,3 +30,7 @@ jobs:
         pip install tox tox-gh-actions
     - name: Test with tox
       run: tox
+    - name: Upload to coverage
+      uses: codecov/codecov-action@v1.0.10
+      with:
+        flags: ${{ matrix.python-version }}
diff --git a/setup.cfg b/setup.cfg
index 35ac90f..4fd6522 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,8 +1,10 @@
 [tool:pytest]
 addopts = -v --junit-xml=test-report.xml
           --doctest-modules
-          --cov=riotctrl --cov-branch
-          --cov-report=term --cov-report=xml --cov-report=html
+          --cov=riotctrl
+          --cov-report=term
+          --cov-report=term-missing
+          --cov-report=xml
 testpaths = riotctrl
 
 [lint]