diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 02ff42bd3..9a3b05cab 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -7,7 +7,7 @@ name: Docker
 
 on:
   schedule:
-    - cron: '39 21 * * *'
+    - cron: '39 16 * * *'
   push:
     branches: [ "master" ]
     # Publish semver tags as releases.
@@ -41,14 +41,19 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@d6a3abf1bdea83574e28d40543793018b6035605
+        uses: sigstore/cosign-installer@7e0881f8fe90b25e305bbf0309761e9314607e25
         with:
-          cosign-release: 'v1.7.1'
+          cosign-release: 'v1.9.0'
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
 
-      # Workaround: https://github.com/docker/build-push-action/issues/461
-      - name: Setup Docker buildx
-        uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Available platforms
+        run: echo ${{ steps.buildx.outputs.platforms }}
 
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action
@@ -72,10 +77,23 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
+        uses: docker/build-push-action@v3
         with:
+          platforms: linux/amd64,linux/arm64
           context: .
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
 
+      # Sign the resulting Docker image digest except on PRs.
+      # This will only write to the public Rekor transparency log when the Docker
+      # repository is public to avoid leaking data.  If you would like to publish
+      # transparency data even for private images, pass --force to cosign below.
+      # https://github.com/sigstore/cosign
+      - name: Sign the published Docker image
+        if: ${{ github.event_name != 'pull_request' }}
+        env:
+          COSIGN_EXPERIMENTAL: "true"
+        # This step uses the identity token to provision an ephemeral certificate
+        # against the sigstore community Fulcio instance.
+        run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push.outputs.digest }}