diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e47a890..34c9abe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -74,7 +74,7 @@ jobs:
           uv run pytest tests/ --cov=src --cov-report=xml --cov-report=html --cov-fail-under=56
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           file: ./coverage.xml
           flags: unittests