diff --git a/ansible/roles/firstboot/files/ansible_payload/bootstrap/roles/metacluster/tasks/json-server.yml b/ansible/roles/firstboot/files/ansible_payload/bootstrap/roles/metacluster/tasks/json-server.yml
index 599d368..38aa308 100644
--- a/ansible/roles/firstboot/files/ansible_payload/bootstrap/roles/metacluster/tasks/json-server.yml
+++ b/ansible/roles/firstboot/files/ansible_payload/bootstrap/roles/metacluster/tasks/json-server.yml
@@ -11,8 +11,10 @@
           {{
             components['json-server'].chart_values |
             combine( {
-              'seedData': {
-                'configInline': ( components['json-server'].chart_values.seedData.configInline | to_json )
+              'jsonServer': {
+                'seedData': {
+                  'configInline': ( components['json-server'].chart_values.jsonServer.seedData.configInline | to_json )
+                }
               }
             } )
           }}
diff --git a/ansible/vars/metacluster.yml b/ansible/vars/metacluster.yml
index 038ff18..a08887f 100644
--- a/ansible/vars/metacluster.yml
+++ b/ansible/vars/metacluster.yml
@@ -177,7 +177,7 @@ components:
 
   json-server:
     helm:
-      version: v0.6.0
+      version: v0.7.3
       chart: spamasaurus/json-server
       parse_logic: helm template . | yq --no-doc eval '.. | .image? | select(.)' | sort -u | awk '!/ /'
       chart_values: !unsafe |
@@ -188,18 +188,19 @@ components:
               paths:
                 - path: /
                   pathType: Prefix
-        seedData:
-          configInline: |
-            {
-              "appliance": { "version": "{{ appliance.version }}" },
-              "components": [
-                { "app": "cluster-api",
-                  "management": { "foo": "bar" },
-                  "workload": { "foo": "bar" }
-                }
-              ],
-              "healthz": { "status": "running" }
-            }
+        jsonServer:
+          seedData:
+            configInline: |
+              {
+                "appliance": { "version": "{{ appliance.version }}" },
+                "components": [
+                  { "app": "cluster-api",
+                    "management": { "foo": "bar" },
+                    "workload": { "foo": "bar" }
+                  }
+                ],
+                "healthz": { "status": "running" }
+              }
 
   kube-prometheus-stack:
     helm: