diff --git a/examples/full-cluster-tf-upgrade/1.24/common-services/main.tf b/examples/full-cluster-tf-upgrade/1.24/common-services/main.tf
index ebc690a..e85e753 100644
--- a/examples/full-cluster-tf-upgrade/1.24/common-services/main.tf
+++ b/examples/full-cluster-tf-upgrade/1.24/common-services/main.tf
@@ -3,7 +3,7 @@ locals {
     "cert-manager" = {
       name       = "cert-manager"
       repository = "https://charts.jetstack.io"
-      version    = "v1.4.3"
+      version    = "v1.12.3"
       use_remote = true
     }
 
@@ -159,8 +159,21 @@ resource "helm_release" "cert-manager" {
     name  = "webhook.image.tag"
     value = var.cert_manager_webhook_tag
   }
-
-  timeout = 180
+  set {
+    name = "startupapicheck.enabled"
+    value = "false"
+  }
+#   set {
+#     name  = "startupapicheck.image.repository"
+#     value = split(":", local.image_output["cert-manager-ctl"].dest_full_path)[0]
+#   }
+#   set {
+#     name  = "startupapicheck.image.tag"
+#     value = local.image_output["cert-manager-ctl"].tag
+#   }
+
+  #  timeout = 180
+  timeout = 600
 }
 
 # cert-manager reports ready before the cert-manager-webhook pod
diff --git a/examples/full-cluster-tf-upgrade/1.24/common-services/variables.common-services.auto.tfvars b/examples/full-cluster-tf-upgrade/1.24/common-services/variables.common-services.auto.tfvars
index 8f4ca2e..340004b 100644
--- a/examples/full-cluster-tf-upgrade/1.24/common-services/variables.common-services.auto.tfvars
+++ b/examples/full-cluster-tf-upgrade/1.24/common-services/variables.common-services.auto.tfvars
@@ -1,6 +1,6 @@
-cert_manager_cainjector_tag    = "v1.4.3"
-cert_manager_controller_tag    = "v1.4.3"
-cert_manager_webhook_tag       = "v1.4.3"
+cert_manager_cainjector_tag    = "v1.12.3"
+cert_manager_controller_tag    = "v1.12.3"
+cert_manager_webhook_tag       = "v1.12.3"
 cluster_autoscaler_tag         = "v1.24.0"
 istio_tag                      = "1.10.1"
 metrics_server_tag             = "0.6.2-debian-11-r9"