diff --git a/cluster/gce/config-default.sh b/cluster/gce/config-default.sh
index 4af319036a3..6c041074430 100755
--- a/cluster/gce/config-default.sh
+++ b/cluster/gce/config-default.sh
@@ -74,7 +74,7 @@ fi
 # Also please update corresponding image for node e2e at:
 # https://github.com/kubernetes/kubernetes/blob/master/test/e2e_node/jenkins/image-config.yaml
 CVM_VERSION=${CVM_VERSION:-container-vm-v20170627}
-GCI_VERSION=${KUBE_GCI_VERSION:-cos-stable-63-10032-71-0}
+GCI_VERSION=${KUBE_GCI_VERSION:-cos-stable-65-10323-64-0}
 MASTER_IMAGE=${KUBE_GCE_MASTER_IMAGE:-}
 MASTER_IMAGE_PROJECT=${KUBE_GCE_MASTER_PROJECT:-cos-cloud}
 NODE_IMAGE=${KUBE_GCE_NODE_IMAGE:-${GCI_VERSION}}
diff --git a/cluster/gce/config-test.sh b/cluster/gce/config-test.sh
index 76021eb4cb4..62b77e811eb 100755
--- a/cluster/gce/config-test.sh
+++ b/cluster/gce/config-test.sh
@@ -72,7 +72,7 @@ fi
 # Also please update corresponding image for node e2e at:
 # https://github.com/kubernetes/kubernetes/blob/master/test/e2e_node/jenkins/image-config.yaml
 CVM_VERSION=${CVM_VERSION:-container-vm-v20170627}
-GCI_VERSION=${KUBE_GCI_VERSION:-cos-stable-63-10032-71-0}
+GCI_VERSION=${KUBE_GCI_VERSION:-cos-beta-66-10452-28-0}
 MASTER_IMAGE=${KUBE_GCE_MASTER_IMAGE:-}
 MASTER_IMAGE_PROJECT=${KUBE_GCE_MASTER_PROJECT:-cos-cloud}
 NODE_IMAGE=${KUBE_GCE_NODE_IMAGE:-${GCI_VERSION}}
diff --git a/cluster/kubemark/gce/config-default.sh b/cluster/kubemark/gce/config-default.sh
index 1e668ea53bd..9758a76d843 100644
--- a/cluster/kubemark/gce/config-default.sh
+++ b/cluster/kubemark/gce/config-default.sh
@@ -37,7 +37,7 @@ EVENT_PD=${EVENT_PD:-false}
 
 MASTER_OS_DISTRIBUTION=${KUBE_MASTER_OS_DISTRIBUTION:-gci}
 NODE_OS_DISTRIBUTION=${KUBE_NODE_OS_DISTRIBUTION:-gci}
-MASTER_IMAGE=${KUBE_GCE_MASTER_IMAGE:-cos-stable-63-10032-71-0}
+MASTER_IMAGE=${KUBE_GCE_MASTER_IMAGE:-cos-stable-65-10323-64-0}
 MASTER_IMAGE_PROJECT=${KUBE_GCE_MASTER_PROJECT:-cos-cloud}
 
 # GPUs supported in GCE do not have compatible drivers in Debian 7.