diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b3b13c0d..1501bbc4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,7 +61,7 @@ jobs:
         run: uv run pytest tests/ -v --cov=DeepResearch --cov-report=xml
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           file: ./coverage.xml
           flags: unittests