diff --git a/distribution/docker/src/docker/iron_bank/hardening_manifest.yaml b/distribution/docker/src/docker/iron_bank/hardening_manifest.yaml
index dcedfe700fef..ccdc923e1782 100644
--- a/distribution/docker/src/docker/iron_bank/hardening_manifest.yaml
+++ b/distribution/docker/src/docker/iron_bank/hardening_manifest.yaml
@@ -1,5 +1,5 @@
 ---
-apiVersion: 1
+apiVersion: v1
 
 # The repository name in registry1, excluding /ironbank/
 name: "elastic/elasticsearch/elasticsearch"