diff --git a/lab/us-gov-east-1/vpc/_mcmCluster/eks-cert-manager/terragrunt.hcl b/lab/us-gov-east-1/vpc/_mcmCluster/eks-cert-manager/terragrunt.hcl
index b724c7e..940f7a7 100644
--- a/lab/us-gov-east-1/vpc/_mcmCluster/eks-cert-manager/terragrunt.hcl
+++ b/lab/us-gov-east-1/vpc/_mcmCluster/eks-cert-manager/terragrunt.hcl
@@ -3,7 +3,7 @@ include "root" {
 }
 
 terraform {
-  source = "git@github.e.it.census.gov:SCT-Engineering/tfmod-cert-mgr.git"
+  source = "git@github.e.it.census.gov:SCT-Engineering/tfmod-cert-mgr.git?ref=mcmCluster"
   extra_arguments "retry_lock" {
     commands  = get_terraform_commands_that_need_locking()
     arguments = ["-lock-timeout=20m"]
@@ -23,10 +23,10 @@ inputs = {
   oidc_provider_arn                = dependency.eks.outputs.oidc_provider_arn
   profile                          = dependency.eks.inputs.profile
   region                           = dependency.eks.inputs.region
-  cert_manager-helm_chart          = "1.15.1"
-  cert_manager-cainjector_tag      = "v1.15.1"
-  cert_manager-controller_tag      = "v1.15.1"
-  cert_manager-startupapicheck_tag = "v1.15.1"
-  cert_manager-webhook_tag         = "v1.15.1"
+  cert_manager_helm_chart          = "1.15.1"
+  cert_manager_cainjector_tag      = "v1.15.1"
+  cert_manager_controller_tag      = "v1.15.1"
+  cert_manager_startupapicheck_tag = "v1.15.1"
+  cert_manager_webhook_tag         = "v1.15.1"
   namespace                        = "cert-manager"
 }