diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
index 3f697eb..449cea5 100644
--- a/.github/workflows/tox.yml
+++ b/.github/workflows/tox.yml
@@ -151,7 +151,7 @@ jobs:
         run: python3 -m tox -e coverage
       - name: Upload coverage data
         if: "runner.os == 'Linux'"
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           name: ${{ matrix.tox_env }}
           fail_ci_if_error: false # see https://github.com/codecov/codecov-action/issues/598