diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index da5f817c..26615083 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -21,4 +21,6 @@ jobs:
       run: pip install . coverage
     - name: Test
       run: cd tests && coverage run --source=../dpti -m unittest && cd .. && coverage combine tests/.coverage && coverage report
-    - uses: codecov/codecov-action@v3
+    - uses: codecov/codecov-action@v4
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}