diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 18d7357..971ddcc 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -49,7 +49,7 @@ jobs:
 
     - name: Upload to Codecov
       if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.13' && github.repository == 'QuantEcon/quantecon-book-theme' && github.event_name == 'pull_request'
-      uses: codecov/codecov-action@v5.5.1
+      uses: codecov/codecov-action@v5.5.2
       with:
         name: ebp-qbt-pytests-py3.13
         flags: pytests