diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d6e2225..beb2cc6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,7 +56,7 @@ 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
       if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.12'
       with:
         files: ./coverage.xml