diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index d6787c0..49bb578 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -62,7 +62,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup docker buildx
-        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd  # v4
+        uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c  # v4
 
       - name: Install repo2docker
         run: pip install git+https://github.com/jupyterhub/repo2docker.git@6b59fafc364a549d1709866b0c559d097a052010