diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index e90acf7..93520a7 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -50,7 +50,7 @@ jobs:
       - run: echo ${{ secrets.GHCR_TOKEN }} | docker login ghcr.io -u $GITHUB_ACTOR --password-stdin
 
       - uses: docker/setup-qemu-action@v4
-      - uses: docker/setup-buildx-action@v4
+      - uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e # v4.3.0
       - uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
         with:
           push: true