diff --git a/README.md b/README.md
index f050bb462..befcc5431 100644
--- a/README.md
+++ b/README.md
@@ -41,8 +41,8 @@ Supported Linux distributions
Versions
--------------
-[kubernetes](https://github.com/kubernetes/kubernetes/releases) v1.4.3
-[etcd](https://github.com/coreos/etcd/releases) v3.0.1
+[kubernetes](https://github.com/kubernetes/kubernetes/releases) v1.4.6
+[etcd](https://github.com/coreos/etcd/releases) v3.0.6
[flanneld](https://github.com/coreos/flannel/releases) v0.6.2
[calicoctl](https://github.com/projectcalico/calico-docker/releases) v0.22.0
[weave](http://weave.works/) v1.6.1
diff --git a/roles/download/defaults/main.yml b/roles/download/defaults/main.yml
index 1ea220fd1..6750f833e 100644
--- a/roles/download/defaults/main.yml
+++ b/roles/download/defaults/main.yml
@@ -5,7 +5,7 @@ local_release_dir: /tmp
download_run_once: False
# Versions
-kube_version: v1.4.3
+kube_version: v1.4.6
etcd_version: v3.0.6
#TODO(mattymo): Move calico versions to roles/network_plugins/calico/defaults
diff --git a/roles/uploads/defaults/main.yml b/roles/uploads/defaults/main.yml
index 7b5797881..06d262c9e 100644
--- a/roles/uploads/defaults/main.yml
+++ b/roles/uploads/defaults/main.yml
@@ -2,7 +2,7 @@
local_release_dir: /tmp
# Versions
-kube_version: v1.4.3
+kube_version: v1.4.6
etcd_version: v3.0.6
calico_version: v0.23.0