diff --git a/.github/workflows/self-test-sign-and-attest.yml b/.github/workflows/self-test-sign-and-attest.yml
index fe81e05..1164696 100644
--- a/.github/workflows/self-test-sign-and-attest.yml
+++ b/.github/workflows/self-test-sign-and-attest.yml
@@ -44,7 +44,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f  # v3.12.0
+        uses: docker/setup-buildx-action@d7f5e7f509e45cec5c76c4d5afdd7de93d0b3df5  # v4.1.0
 
       - name: Create test Dockerfile
         shell: bash