diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index b615c7b..6b89261 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -7,6 +7,7 @@ env:
 jobs:
   testing:
     runs-on: ubuntu-latest
+    environment: github-actions-ci
     strategy:
       matrix:
         PYTHON_VERSION: [3.8]
@@ -71,4 +72,6 @@ jobs:
         poetry run mypy -p pyfgaws --config=ci/mypy.ini
 
     - name: Upload code coverage
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}