diff --git a/.github/workflows/test-matrix.yml b/.github/workflows/test-matrix.yml
index 2e60a21..992ea6a 100644
--- a/.github/workflows/test-matrix.yml
+++ b/.github/workflows/test-matrix.yml
@@ -22,7 +22,7 @@ jobs:
         zsh_version: ["5.5.1", "5.6.2", "5.7.1", "5.8", "5.8.1", "5.9"]
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - uses: docker/setup-buildx-action@4d04d5d2235566ea9c44d6d2594696e5d0117bbb # v4.0.0
+      - uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
       - name: Build test image
         run: |
           cat > Dockerfile.ci <<'EOF'