diff --git a/.github/workflows/automated-tests.yml b/.github/workflows/automated-tests.yml
index 547d05e..eb2f17d 100644
--- a/.github/workflows/automated-tests.yml
+++ b/.github/workflows/automated-tests.yml
@@ -92,7 +92,7 @@ jobs:
             # ----------------------------------------------
             - name: Upload coverage
               if: github.ref == 'refs/heads/main' && matrix.python-version == '3.11'
-              uses: codecov/codecov-action@v3
+              uses: codecov/codecov-action@v4
               with:
                   # token: ${{ secrets.CODECOV_TOKEN }} # Only required for private repositories
                   files: reports/coverage.xml