diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 79e12f7..b389806 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -70,7 +70,7 @@ jobs:
         run: pytest tests --cov=whippersnappy --cov-report=xml --cov-config=pyproject.toml
       - name: Upload to codecov
         if: ${{ matrix.os == 'ubuntu' && matrix.python-version == '3.10' && github.repository == 'Deep-MI/WhipperSnapPy' }}
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           files: ./coverage.xml
           flags: unittests # optional