diff --git a/README.md b/README.md
index cfc82a6cd..5395f5d46 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ Note: Upstart/SysV init based OS types are not supported.
 Versions of supported components
 --------------------------------
 
-[kubernetes](https://github.com/kubernetes/kubernetes/releases) v1.5.1 <br>
+[kubernetes](https://github.com/kubernetes/kubernetes/releases) v1.6.4 <br>
 [etcd](https://github.com/coreos/etcd/releases) v3.0.17 <br>
 [flanneld](https://github.com/coreos/flannel/releases) v0.6.2 <br>
 [calicoctl](https://github.com/projectcalico/calico-docker/releases) v0.23.0 <br>
diff --git a/inventory/group_vars/k8s-cluster.yml b/inventory/group_vars/k8s-cluster.yml
index d304b79a9..a216de712 100644
--- a/inventory/group_vars/k8s-cluster.yml
+++ b/inventory/group_vars/k8s-cluster.yml
@@ -23,7 +23,7 @@ kube_users_dir: "{{ kube_config_dir }}/users"
 kube_api_anonymous_auth: false
 
 ## Change this to use another Kubernetes version, e.g. a current beta release
-kube_version: v1.6.1
+kube_version: v1.6.4
 
 # Where the binaries will be downloaded.
 # Note: ensure that you've enough disk space (about 1G)
diff --git a/roles/download/defaults/main.yml b/roles/download/defaults/main.yml
index e64845460..b58efec05 100644
--- a/roles/download/defaults/main.yml
+++ b/roles/download/defaults/main.yml
@@ -18,7 +18,7 @@ download_localhost: False
 download_always_pull: False
 
 # Versions
-kube_version: v1.6.1
+kube_version: v1.6.4
 etcd_version: v3.0.17
 #TODO(mattymo): Move calico versions to roles/network_plugins/calico/defaults
 # after migration to container download
diff --git a/roles/kargo-defaults/defaults/main.yaml b/roles/kargo-defaults/defaults/main.yaml
index e1a52f22e..36b814614 100644
--- a/roles/kargo-defaults/defaults/main.yaml
+++ b/roles/kargo-defaults/defaults/main.yaml
@@ -4,7 +4,7 @@ bootstrap_os: none
 kube_api_anonymous_auth: false
 
 ## Change this to use another Kubernetes version, e.g. a current beta release
-kube_version: v1.6.1
+kube_version: v1.6.4
 
 # Directory where the binaries will be installed
 bin_dir: /usr/local/bin