diff --git a/dt/uni04delta-ipv6/control-plane/kustomization.yaml b/dt/uni04delta-ipv6/control-plane/kustomization.yaml
index 73b1e86c8..2a2449828 100644
--- a/dt/uni04delta-ipv6/control-plane/kustomization.yaml
+++ b/dt/uni04delta-ipv6/control-plane/kustomization.yaml
@@ -143,3 +143,15 @@ replacements:
           - spec.nova.template.cellTemplates
         options:
           create: true
+
+  - source:
+      kind: ConfigMap
+      name: service-values
+      fieldPath: data.heat.enabled
+    targets:
+      - select:
+          kind: OpenStackControlPlane
+        fieldPaths:
+          - spec.heat.enabled
+        options:
+          create: true
diff --git a/examples/dt/uni04delta-ipv6/control-plane/service-values.yaml b/examples/dt/uni04delta-ipv6/control-plane/service-values.yaml
index 5e933b22d..b692b6c6d 100644
--- a/examples/dt/uni04delta-ipv6/control-plane/service-values.yaml
+++ b/examples/dt/uni04delta-ipv6/control-plane/service-values.yaml
@@ -169,3 +169,6 @@ data:
         datacentre: ocpbr
         octavia: octbr
         ironic: ironic
+
+  heat:
+    enabled: true