diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index a6fee8cfebfc..ba142edd6aed 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -28,6 +28,7 @@ jobs:
         env:
           REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
+          set -o pipefail
           flake8 --docstring-convention=all | \
             reviewdog -f=pep8 -name=flake8 \
               -tee -reporter=github-check -filter-mode nofilter