diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
index 5d8905ab6..8227f8908 100644
--- a/.github/workflows/CI.yaml
+++ b/.github/workflows/CI.yaml
@@ -100,7 +100,7 @@ jobs:
       run: tox -e py39-unit -- --cov=./ --cov-report=xml
 
     - name: Upload coverage reports to Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         flags: unit