diff --git a/Jenkinsfile.pjt b/Jenkinsfile.pjt
index 1097b92..6fbb727 100644
--- a/Jenkinsfile.pjt
+++ b/Jenkinsfile.pjt
@@ -239,7 +239,11 @@ pipeline {
 
             TAGS_TO_DELETE=$(curl -s -u "$DOCKER_USER:$DOCKER_PASS" https://${REGISTRY_HOST}/v2/${IMAGE_REPO}/tags/list | jq -r '.tags[]' | grep -E '^[0-9]+' | sort -t- -k1,1n | head -n -5)
 
-            echo "$TAGS_TO_DELETE"
+            for TAG in $TAGS_TO_DELETE; do
+              DIGEST=$(curl -sI -u "$DOCKER_USER:$DOCKER_PASS" -H "Accept: application/vnd.docker.distribution.manifest.v2+json" https://${REGISTRY_HOST}/v2/${IMAGE_REPO}/manifests/$TAG | grep Docker-Content-Digest | awk '{print $2}' | tr -d $'\r')
+
+              echo "[DRY] $TAG -> $DIGEST"
+            done
 
             docker logout ${REGISTRY_HOST}
           '''