diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index f4a4728..786cb17 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -15,6 +15,13 @@
 
 STACKUBE_ROOT=$(dirname "${BASH_SOURCE}")
 
+# Default release of Kubernetes is latest stable
+KUBE_RELEASE=${KUBE_RELEASE:-"stable-1.8"}
+# Get stable version from release URL
+version=`curl -sSL dl.k8s.io/release/${KUBE_RELEASE}.txt`
+# Change v1.8.2 to 1.8.2
+export KUBE_VERSION=${version#"v"}
+
 function install_docker {
     if is_ubuntu; then
         sudo apt-get update
@@ -69,7 +76,6 @@ ExecStart=/usr/bin/frakti --v=3 \
           --logtostderr=false \
           --cgroup-driver=${cgroup_driver} \
           --listen=/var/run/frakti.sock \
-          --streaming-server-addr=%H \
           --hyper-endpoint=127.0.0.1:22318
 MountFlags=shared
 TasksMax=8192
@@ -97,7 +103,7 @@ gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg
 EOF'
         sudo setenforce 0
         sudo sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
-        sudo yum install -y kubelet-1.7.5-0 kubeadm-1.7.5-0 kubectl-1.7.5-0
+        sudo yum install -y kubelet-${KUBE_VERSION}-0 kubeadm-${KUBE_VERSION}-0 kubectl-${KUBE_VERSION}-0
     elif is_ubuntu; then
         sudo apt-get update && sudo apt-get install -y apt-transport-https
         sudo curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
@@ -105,7 +111,7 @@ EOF'
 deb http://apt.kubernetes.io/ kubernetes-xenial main
 EOF'
         sudo apt-get update
-        sudo apt-get install -y kubelet=1.7.5-00 kubeadm=1.7.5-00 kubectl=1.7.5-00
+        sudo apt-get install -y --allow-downgrades kubelet=${KUBE_VERSION}-00 kubeadm=${KUBE_VERSION}-00 kubectl=${KUBE_VERSION}-00
     else
         exit_distro_not_supported
     fi
diff --git a/devstack/settings b/devstack/settings
index 64a2eff..82920ef 100644
--- a/devstack/settings
+++ b/devstack/settings
@@ -5,7 +5,7 @@ KUBERNETES_MASTER_PORT=${KUBERNETES_MASTER_PORT:-6443}
 # Kubeadm token, only for minions
 KUBEADM_TOKEN=${KUBEADM_TOKEN:-""}
 # The version of frakti
-FRAKTI_VERSION=${FRAKTI_VERSION:-"v1.0"}
+FRAKTI_VERSION=${FRAKTI_VERSION:-"v1.1.1"}
 # Kubernetes CLUSTER CIDR
 CLUSTER_CIDR=${CLUSTER_CIDR:-"10.244.0.0/16"}
 CLUSTER_GATEWAY=${CLUSTER_GATEWAY:-"10.244.0.1"}
diff --git a/install/deploy_kubernetes.sh b/install/deploy_kubernetes.sh
index 6b23617..0fe50a0 100644
--- a/install/deploy_kubernetes.sh
+++ b/install/deploy_kubernetes.sh
@@ -33,6 +33,7 @@ source $(readlink -f $1)
 [ "${COMPUTE_NODES_PRIVATE_IP}" ]
 
 
+# TODO(harry): how to merge this with devstack/settings
 export KUBERNETES_API_PUBLIC_IP="${CONTROL_NODE_PUBLIC_IP}"
 export KUBERNETES_API_PRIVATE_IP="${CONTROL_NODE_PRIVATE_IP}"
 export KEYSTONE_URL="https://${CONTROL_NODE_PRIVATE_IP}:5001/v2.0"
@@ -40,7 +41,15 @@ export KEYSTONE_ADMIN_URL="https://${CONTROL_NODE_PRIVATE_IP}:35358/v2.0"
 export CLUSTER_CIDR="10.244.0.0/16"
 export CLUSTER_GATEWAY="10.244.0.1"
 export CONTAINER_CIDR="10.244.1.0/24"
-export FRAKTI_VERSION="v1.0"
+export FRAKTI_VERSION="v1.1.1"
+
+# Default release of Kubernetes is latest stable
+KUBE_RELEASE=${KUBE_RELEASE:-"stable-1.8"}
+# Get stable version from release URL
+version=`curl -sSL dl.k8s.io/release/${KUBE_RELEASE}.txt`
+# Change v1.8.2 to 1.8.2
+export KUBE_VERSION=${version#"v"}
+
 
 
 ########## control & compute nodes ##########
diff --git a/install/kubernetes/deploy_kubeadm_kubectl_kubelet.sh b/install/kubernetes/deploy_kubeadm_kubectl_kubelet.sh
index ae043e5..887fcce 100644
--- a/install/kubernetes/deploy_kubeadm_kubectl_kubelet.sh
+++ b/install/kubernetes/deploy_kubeadm_kubectl_kubelet.sh
@@ -13,13 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
 programDir=`dirname $0`
 programDir=$(readlink -f $programDir)
 parentDir="$(dirname $programDir)"
 programDirBaseName=$(basename $programDir)
 
-
 setenforce 0
 sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
 
@@ -42,7 +40,7 @@ gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg
        https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
 EOF
 
-yum install -y kubelet-1.7.5-0 kubeadm-1.7.5-0 kubectl-1.7.5-0
+yum install -y --allow-downgrades kubelet-${KUBE_VERSION}-0 kubeadm-${KUBE_VERSION}-0 kubectl-${KUBE_VERSION}-0
 
 # configure_kubelet
 unitFile='/etc/systemd/system/kubelet.service.d/10-kubeadm.conf'