diff --git a/.github/workflows/sample-signing.yaml b/.github/workflows/sample-signing.yaml
index 69861f6..9613b59 100644
--- a/.github/workflows/sample-signing.yaml
+++ b/.github/workflows/sample-signing.yaml
@@ -40,5 +40,7 @@ jobs:
     - name: Verify image signature
       run: |
         sudo apt install jq -y
-        cosign verify --key cosign.pub ${{env.IMAGE}} | jq .
+        cosign verify --key cosign.pub ${{env.IMAGE}}:${{env.TAG}} | jq .
+    - name: Docker logout
+      run: docker logout