diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9be9bd8..cc81973 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,7 +59,7 @@ jobs:
         run: uv run pytest tests/ -v --cov=src/gravitas_md2gdocs --cov-report=xml
 
       - name: Upload coverage
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         if: matrix.python-version == '3.12'
         with:
           files: ./coverage.xml