diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0d8044e6..eec51adc 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -90,7 +90,7 @@ jobs:
         python -m pytest tests
 
     - name: Report coverage with Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         files: ./coverage.xml
         flags: unittests-${{ matrix.python-version }}