diff --git a/lab-k8s-001/values.yaml b/lab-k8s-001/values.yaml
index d1af31f..e376501 100644
--- a/lab-k8s-001/values.yaml
+++ b/lab-k8s-001/values.yaml
@@ -54,7 +54,8 @@ cluster:
                 storage: /data/acme.json
                 dnsChallenge:
                   provider: cloudflare
-                  delayBeforeCheck: 5m0s
+                  propagation:
+                    delayBeforeChecks: 5m0s
                   resolvers:
                   - 1.1.1.1:53
                   - 1.0.0.1:53