diff --git a/playbooks/groups/jenkins-cloud.yml b/playbooks/groups/jenkins-cloud.yml
index 78e18e7e62..fe1683048c 100644
--- a/playbooks/groups/jenkins-cloud.yml
+++ b/playbooks/groups/jenkins-cloud.yml
@@ -182,7 +182,7 @@
              sha256sum={{ item.sha }}
     with_items:
         - name: warnings
-          version: 4.39
+          version: '4.39'
           sha: 7652b7ed8971de932f46323aa8e0ddee2bcf4f14839296481ae79590e09f7606
     notify:
       - restart jenkins