diff --git a/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-istio/terragrunt.hcl b/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-istio/terragrunt.hcl
index 0cd1e1f9..3f6e3e08 100644
--- a/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-istio/terragrunt.hcl
+++ b/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-istio/terragrunt.hcl
@@ -5,7 +5,7 @@ include "root" {
 }
 
 terraform {
-  source = "git@github.e.it.census.gov:SCT-Engineering/tfmod-istio.git?ref=${include.root.inputs.release_version}"
+  source = "git@github.e.it.census.gov:SCT-Engineering/tfmod-istio.git?ref=mcmCluster"
   extra_arguments "retry_lock" {
     commands  = get_terraform_commands_that_need_locking()
     arguments = ["-lock-timeout=20s"]
diff --git a/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-karpenter/terragrunt.hcl b/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-karpenter/terragrunt.hcl
index 25c22d7c..55f12fbd 100644
--- a/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-karpenter/terragrunt.hcl
+++ b/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-karpenter/terragrunt.hcl
@@ -5,7 +5,7 @@ include "root" {
 }
 
 terraform {
-  source = "git@github.e.it.census.gov:SCT-Engineering/tfmod-karpenter.git?ref=${include.root.inputs.release_version}"
+  source = "git@github.e.it.census.gov:SCT-Engineering/tfmod-karpenter.git?ref=mcmCluster"
 
   extra_arguments "retry_lock" {
     commands  = get_terraform_commands_that_need_locking()
diff --git a/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-metrics-server/terragrunt.hcl b/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-metrics-server/terragrunt.hcl
index fd02a7ac..18983eee 100644
--- a/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-metrics-server/terragrunt.hcl
+++ b/lab/development/us-gov-east-1/vpc/platform-eng-eks-mcm/eks-metrics-server/terragrunt.hcl
@@ -19,7 +19,7 @@ dependency "eks" {
 }
 
 terraform {
-  source = "git@github.e.it.census.gov:SCT-Engineering/tfmod-metrics-server.git?ref=${include.root.inputs.release_version}"
+  source = "git@github.e.it.census.gov:SCT-Engineering/tfmod-metrics-server.git?ref=mcmCluster"
   extra_arguments "retry_lock" {
     commands  = get_terraform_commands_that_need_locking()
     arguments = ["-lock-timeout=20s"]