diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 08f47ce..ae2978b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,7 +33,7 @@ jobs:
       - name: Push to compgeolab.github.io
         if: success() && github.event_name == 'push'
         # Don't use tags: https://julienrenaux.fr/2019/12/20/github-actions-security-risk/
-        uses: peaceiris/actions-gh-pages@bbdfb200618d235585ad98e965f4aafc39b4c501
+        uses: peaceiris/actions-gh-pages@373f7f263a76c20808c831209c920827a82a2847
         with:
           deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
           external_repository: compgeolab/compgeolab.github.io