diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index fdc0b05..b747c74 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -32,7 +32,7 @@ jobs:
           pip install pytest pytest-cov
           python -m pytest --cov=your --cov-report=xml
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: ./coverage.xml