diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 293a912..d3f4958 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,7 +47,7 @@ jobs:
       run: python -m pytest tests/unit/ -v --cov=nutrient_dws --cov-report=xml --cov-report=term
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./coverage.xml