diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9936536..0b0979f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,7 +32,7 @@ jobs:
         run: |
           pytest -vvv --cov=./ --cov-report=xml:unit.coverage.xml
       - name: Upload unit test coverage to Codecov
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: ./unit.coverage.xml