diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index bbe43e3..2d81bfa 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -35,7 +35,7 @@ jobs:
 
       - name: Upload coverage reports to Codecov
         if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.13'
-        uses: codecov/codecov-action@v4.5.0
+        uses: codecov/codecov-action@v5.5.3
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           slug: IsolationKernel/ikpykit