diff --git a/README.md b/README.md
index 518c3052e..abd1548ab 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ Versions of supported components
--------------------------------
-[kubernetes](https://github.com/kubernetes/kubernetes/releases) v1.8.3
+[kubernetes](https://github.com/kubernetes/kubernetes/releases) v1.8.4
[etcd](https://github.com/coreos/etcd/releases) v3.2.4
[flanneld](https://github.com/coreos/flannel/releases) v0.8.0
[calico](https://docs.projectcalico.org/v2.5/releases/) v2.5.0
diff --git a/inventory/group_vars/k8s-cluster.yml b/inventory/group_vars/k8s-cluster.yml
index 034b86488..fb29622be 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: v1.8.3
+kube_version: v1.8.4
# 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 8235485ce..b642a8801 100644
--- a/roles/download/defaults/main.yml
+++ b/roles/download/defaults/main.yml
@@ -24,7 +24,7 @@ download_always_pull: False
download_delegate: "{% if download_localhost %}localhost{% else %}{{groups['kube-master'][0]}}{% endif %}"
# Versions
-kube_version: v1.8.3
+kube_version: v1.8.4
kubeadm_version: "{{ kube_version }}"
etcd_version: v3.2.4
# TODO(mattymo): Move calico versions to roles/network_plugins/calico/defaults
@@ -44,7 +44,7 @@ contiv_version: 1.1.7
kubeadm_download_url: "https://storage.googleapis.com/kubernetes-release/release/{{ kubeadm_version }}/bin/linux/amd64/kubeadm"
# Checksums
-kubeadm_checksum: "ea1c53b88e6e562c9c0ae4f523b56fa7f83850c4894f619a24c069e0130f417d"
+kubeadm_checksum: "08c93bb83c1af8703d49027b863fee08721cb96900f8d70d4d45b50dd1e5bc2c"
istio_version: "0.2.6"
diff --git a/roles/kubespray-defaults/defaults/main.yaml b/roles/kubespray-defaults/defaults/main.yaml
index 5e8fecd4a..ec928b298 100644
--- a/roles/kubespray-defaults/defaults/main.yaml
+++ b/roles/kubespray-defaults/defaults/main.yaml
@@ -13,7 +13,7 @@ kube_api_anonymous_auth: false
is_atomic: false
## Change this to use another Kubernetes version, e.g. a current beta release
-kube_version: v1.8.3
+kube_version: v1.8.4
# Set to true to allow pre-checks to fail and continue deployment
ignore_assert_errors: false