diff --git a/defaults.yml b/defaults.yml
index 33cb64ac..5386d76c 100644
--- a/defaults.yml
+++ b/defaults.yml
@@ -57,7 +57,7 @@ vsphere_repo: "https://px-deploy.s3.eu-west-1.amazonaws.com/templates/"
 #vsphere_folder: ""
 
 ocp4_domain: ""
-ocp4_version: 4.14.16
+ocp4_version: 4.16.17
 ocp4_pull_secret: ""
 
 #env:
diff --git a/terraform/aws/ocp4/ocp4-install-config.tpl b/terraform/aws/ocp4/ocp4-install-config.tpl
index 8233e432..c6172348 100644
--- a/terraform/aws/ocp4/ocp4-install-config.tpl
+++ b/terraform/aws/ocp4/ocp4-install-config.tpl
@@ -21,7 +21,7 @@ networking:
   - cidr: 10.128.0.0/14
     hostPrefix: 23
   machineCIDR: ${tpl_cidr}
-  networkType: OpenShiftSDN
+  networkType: OVNKubernetes
   serviceNetwork:
   - 172.30.0.0/16
 platform:
diff --git a/vagrant/ocp4-master b/vagrant/ocp4-master
index 8a7e43f9..b3b29085 100644
--- a/vagrant/ocp4-master
+++ b/vagrant/ocp4-master
@@ -10,9 +10,9 @@ ln -s /usr/local/bin/aws /usr/bin/aws
 eval $(ssh-agent)
 cd /tmp
 wget -q https://mirror.openshift.com/pub/openshift-v4/clients/ocp/$ocp4_version/openshift-install-linux-$ocp4_version.tar.gz
-wget -q https://mirror.openshift.com/pub/openshift-v4/clients/ocp/$ocp4_version/openshift-client-linux-$ocp4_version.tar.gz
+wget -q https://mirror.openshift.com/pub/openshift-v4/clients/ocp/4.15.38/openshift-client-linux-4.15.38.tar.gz
 tar xzf openshift-install-linux-$ocp4_version.tar.gz
-tar xzf openshift-client-linux-$ocp4_version.tar.gz
+tar xzf openshift-client-linux-4.15.38.tar.gz
 mv openshift-install oc kubectl /usr/bin
 rm -f openshift-install-linux-$ocp4_version.tar.gz openshift-client-linux-$ocp4_version.tar.gz