diff --git a/tasks/main.yml b/tasks/main.yml
index 376beb6721b86762ef63308846852845cfc23fa4..d6d9afceff7e7a5d3a2f00a379f68dece5b12c27 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -24,3 +24,4 @@
       owner: root
       group: root
       mode: 0o0644
+      validate: unattended-upgrade --dry-run