diff --git a/README.md b/README.md
index f4474d5..a67298a 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,7 @@ Edit the var.tfvars file with following values:
 
 ## How-to run Terraform resources
 On your Terraform client machine:
-1. `cd ocp4_upi_kvm`
+1. `cd ocp4-upi-kvm`
 1. `terraform init`
 1. `terraform apply -var-file var.tfvars`
 
diff --git a/var.tfvars b/var.tfvars
index 589f55f..4a1f584 100644
--- a/var.tfvars
+++ b/var.tfvars
@@ -5,11 +5,11 @@ images_path     = "/home/libvirt/openshift-images"
 
 ### Configure the Nodes details
 bastion_image   = "http://remote_server/rhel-8.1-ppc64le-kvm.qcow2"
-rhcos_image     = "http://remote_server/rhcos-4.3.18-ppc64le-qemu.ppc64le.qcow2"
-bastion         = { memory = 4096, vcpu = 2 }
+rhcos_image     = "http://remote_server/rhcos-4.4.0-0.nightly-ppc64le-2020-05-08-093850-qemu.ppc64le.qcow2"
+bastion         = { memory = 8192, vcpu = 2 }
 bootstrap       = { memory = 8192, vcpu = 4, count = 1 }
-master          = { memory = 8192, vcpu = 4, count = 3 }
-worker          = { memory = 8192, vcpu = 4, count = 2 }
+master          = { memory = 16384, vcpu = 4, count = 3 }
+worker          = { memory = 16384, vcpu = 4, count = 2 }
 network_cidr    = "192.168.88.0/24"
 rhel_username   = "root"
 rhel_password   = "123456"
@@ -21,8 +21,8 @@ rhel_subscription_username  = ""
 rhel_subscription_password  = ""
 
 ### OpenShift variables
-openshift_install_tarball   = "https://mirror.openshift.com/pub/openshift-v4/ppc64le/clients/ocp/4.3.18/openshift-install-linux.tar.gz"
-openshift_client_tarball    = "https://mirror.openshift.com/pub/openshift-v4/ppc64le/clients/ocp/4.3.18/openshift-client-linux.tar.gz"
+openshift_install_tarball   = "https://mirror.openshift.com/pub/openshift-v4/ppc64le/clients/ocp-dev-preview/4.4.0-0.nightly-ppc64le-2020-06-02-231523/openshift-install-linux.tar.gz"
+openshift_client_tarball    = "https://mirror.openshift.com/pub/openshift-v4/ppc64le/clients/ocp-dev-preview/4.4.0-0.nightly-ppc64le-2020-06-02-231523/openshift-client-linux.tar.gz"
 
 #release_image_override     = ""
 
@@ -34,8 +34,8 @@ dns_forwarders              = "8.8.8.8; 8.8.4.4"
 installer_log_level         = "info"
 ansible_extra_options       = "-v"
 
-## Currently master branch has support for ppc64le; We will use current(May 15, 2020) commit# which is stable.
 #helpernode_tag             = "fddbbc651153ef2966e5cb4d4167990b31c01ceb"
+#install_playbook_tag       = "90c7cc478c8751d0b22c163e101a0d49e15e2e08"
 
 storage_type                = "nfs"
 volume_size                 = "300" # Value in GB
diff --git a/variables.tf b/variables.tf
index bdbb908..7260168 100644
--- a/variables.tf
+++ b/variables.tf
@@ -52,7 +52,7 @@ variable "rhcos_image" {
 variable "bastion" {
     # only one node is supported
     default = {
-        memory  = 4096
+        memory  = 8192
         vcpu    = 2
     }
 }
@@ -68,14 +68,14 @@ variable "bootstrap" {
 variable "master" {
     default = {
         count   = 3
-        memory  = 8192
+        memory  = 16384
         vcpu    = 4
     }
 }
 variable "worker" {
     default = {
         count   = 2
-        memory  = 8192
+        memory  = 16384
         vcpu    = 4
     }
 }
@@ -171,11 +171,11 @@ locals {
 ### OpenShift variables
 ################################################################
 variable "openshift_install_tarball" {
-    default = "https://mirror.openshift.com/pub/openshift-v4/ppc64le/clients/ocp/4.3.18/openshift-install-linux.tar.gz"
+    default = "https://mirror.openshift.com/pub/openshift-v4/ppc64le/clients/ocp-dev-preview/4.4.0-0.nightly-ppc64le-2020-06-02-231523/openshift-install-linux.tar.gz"
 }
 
 variable "openshift_client_tarball" {
-    default = "https://mirror.openshift.com/pub/openshift-v4/ppc64le/clients/ocp/4.3.18/openshift-client-linux.tar.gz"
+     default = "https://mirror.openshift.com/pub/openshift-v4/ppc64le/clients/ocp-dev-preview/4.4.0-0.nightly-ppc64le-2020-06-02-231523/openshift-client-linux.tar.gz"
 }
 
 variable "release_image_override" {