diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index d621c24..8c2c493 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -31,10 +31,11 @@ jobs:
 
       # Install the cosign tool except on PR
       # https://github.com/sigstore/cosign-installer
-      # - name: Install Cosign
-      #   uses: sigstore/cosign-installer@main
-      # - name: Check install!
-      #   run: cosign version
+      - name: Install Cosign
+        uses: sigstore/cosign-installer@main
+      
+      - name: Check Cosign Version
+        run: cosign version
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
@@ -83,6 +84,15 @@ jobs:
           # build-args: use for overwrite ARG value inside Dockerfile
           build-args: |
             VERSION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.version'] }}
+      
+      # https://github.com/sigstore/cosign
+      - name: Sign the published Docker image
+        env:
+          COSIGN_PRIVATE_KEY: ${{ secrets.COSIGN_PRIVATE_KEY }}
+          COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}
+        run: |
+          echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign --key env://COSIGN_PRIVATE_KEY -a "repo=${{ github.repository }}" -a "workflow=#${{ github.run_number }}" {}@${{ steps.build-and-push.outputs.digest }}
+
 
       - name: Run Trivy vulnerability scanner
         uses: aquasecurity/trivy-action@master
@@ -94,17 +104,4 @@ jobs:
       - name: Upload Trivy scan results to GitHub Security tab
         uses: github/codeql-action/upload-sarif@v2
         with:
-          sarif_file: "trivy-results.sarif"
-
-      # 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 }}
\ No newline at end of file
+          sarif_file: "trivy-results.sarif"
\ No newline at end of file