diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index fc9af37..e434aaf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -38,7 +38,7 @@ jobs:
         run: uv run pytest --cov --cov-branch --cov-report=xml
 
       - name: Upload results to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           slug: WDGPH/immunization-charts-python