diff --git a/Documentation/configure-kubectl.md b/Documentation/configure-kubectl.md
index c8b812ddc1..7658b743a6 100644
--- a/Documentation/configure-kubectl.md
+++ b/Documentation/configure-kubectl.md
@@ -15,13 +15,13 @@ Download `kubectl` from the Kubernetes release artifact site with the `curl` too
 The linux `kubectl` binary can be fetched with a command like:
 
 ```sh
-$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.1/bin/linux/amd64/kubectl
+$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.3/bin/linux/amd64/kubectl
 ```
 
 On an OS X workstation, replace `linux` in the URL above with `darwin`:
 
 ```sh
-$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.1/bin/darwin/amd64/kubectl
+$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.3/bin/darwin/amd64/kubectl
 ```
 
 After downloading the binary, ensure it is executable and move it into your `PATH`:
diff --git a/Documentation/deploy-addons.md b/Documentation/deploy-addons.md
index 63652ba0e5..ac311710b7 100644
--- a/Documentation/deploy-addons.md
+++ b/Documentation/deploy-addons.md
@@ -142,7 +142,7 @@ spec:
 
 *Note:* The above YAML definition is based on the upstream DNS addon in the [Kubernetes addon folder][k8s-dns-addon].
 
-[k8s-dns-addon]: https://github.com/kubernetes/kubernetes/tree/v1.4.1/cluster/addons/dns
+[k8s-dns-addon]: https://github.com/kubernetes/kubernetes/tree/v1.4.3/cluster/addons/dns
 
 This single YAML file is actually creating 2 different Kubernetes objects, separated by `---`.
 
diff --git a/Documentation/deploy-master.md b/Documentation/deploy-master.md
index 07e1a047ae..59eece4a31 100644
--- a/Documentation/deploy-master.md
+++ b/Documentation/deploy-master.md
@@ -97,7 +97,7 @@ Note that the kubelet running on a master node may log repeated attempts to post
 
 * Replace `${ADVERTISE_IP}` with this node's publicly routable IP.
 * Replace `${DNS_SERVICE_IP}`
-* Replace `${K8S_VER}` This will map to: `quay.io/coreos/hyperkube:${K8S_VER}` release, e.g. `v1.4.1_coreos.0`.
+* Replace `${K8S_VER}` This will map to: `quay.io/coreos/hyperkube:${K8S_VER}` release, e.g. `v1.4.3_coreos.0`.
 * Replace `${NETWORK_PLUGIN}` with `cni` if using Calico. Otherwise just leave it blank.
 * Decide if you will use [additional features][rkt-opts-examples] such as:
   - [mounting ephemeral disks][mount-disks]
@@ -158,7 +158,7 @@ spec:
   hostNetwork: true
   containers:
   - name: kube-apiserver
-    image: quay.io/coreos/hyperkube:v1.4.1_coreos.0
+    image: quay.io/coreos/hyperkube:v1.4.3_coreos.0
     command:
     - /hyperkube
     - apiserver
@@ -217,7 +217,7 @@ spec:
   hostNetwork: true
   containers:
   - name: kube-proxy
-    image: quay.io/coreos/hyperkube:v1.4.1_coreos.0
+    image: quay.io/coreos/hyperkube:v1.4.3_coreos.0
     command:
     - /hyperkube
     - proxy
@@ -257,7 +257,7 @@ spec:
   hostNetwork: true
   containers:
   - name: kube-controller-manager
-    image: quay.io/coreos/hyperkube:v1.4.1_coreos.0
+    image: quay.io/coreos/hyperkube:v1.4.3_coreos.0
     command:
     - /hyperkube
     - controller-manager
@@ -306,7 +306,7 @@ spec:
   hostNetwork: true
   containers:
   - name: kube-scheduler
-    image: quay.io/coreos/hyperkube:v1.4.1_coreos.0
+    image: quay.io/coreos/hyperkube:v1.4.3_coreos.0
     command:
     - /hyperkube
     - scheduler
diff --git a/Documentation/deploy-workers.md b/Documentation/deploy-workers.md
index c5cc0d83b0..17fb3e61ca 100644
--- a/Documentation/deploy-workers.md
+++ b/Documentation/deploy-workers.md
@@ -80,7 +80,7 @@ Create `/etc/systemd/system/kubelet.service` and substitute the following variab
 * Replace `${MASTER_HOST}`
 * Replace `${ADVERTISE_IP}` with this node's publicly routable IP.
 * Replace `${DNS_SERVICE_IP}`
-* Replace `${K8S_VER}` This will map to: `quay.io/coreos/hyperkube:${K8S_VER}` release, e.g. `v1.4.1_coreos.0`.
+* Replace `${K8S_VER}` This will map to: `quay.io/coreos/hyperkube:${K8S_VER}` release, e.g. `v1.4.3_coreos.0`.
 * Replace `${NETWORK_PLUGIN}` with `cni` if using Calico. Otherwise just leave it blank.
 * Decide if you will use [additional features][rkt-opts-examples] such as:
   - [mounting ephemeral disks][mount-disks]
@@ -170,7 +170,7 @@ spec:
   hostNetwork: true
   containers:
   - name: kube-proxy
-    image: quay.io/coreos/hyperkube:v1.4.1_coreos.0
+    image: quay.io/coreos/hyperkube:v1.4.3_coreos.0
     command:
     - /hyperkube
     - proxy
diff --git a/Documentation/kubelet-wrapper.md b/Documentation/kubelet-wrapper.md
index ff9debdbfb..534f583646 100644
--- a/Documentation/kubelet-wrapper.md
+++ b/Documentation/kubelet-wrapper.md
@@ -19,7 +19,7 @@ An example systemd kubelet.service file which takes advantage of the kubelet-wra
 
 ```ini
 [Service]
-Environment=KUBELET_VERSION=v1.4.1_coreos.0
+Environment=KUBELET_VERSION=v1.4.3_coreos.0
 ExecStart=/usr/lib/coreos/kubelet-wrapper \
   --api-servers=http://127.0.0.1:8080 \
   --config=/etc/kubernetes/manifests
@@ -38,7 +38,7 @@ Mount the host's `/etc/resolv.conf` file directly into the container in order to
 ```ini
 [Service]
 Environment="RKT_OPTS=--volume=resolv,kind=host,source=/etc/resolv.conf --mount volume=resolv,target=/etc/resolv.conf"
-Environment=KUBELET_VERSION=v1.4.1_coreos.0
+Environment=KUBELET_VERSION=v1.4.3_coreos.0
 ExecStart=/usr/lib/coreos/kubelet-wrapper \
   --api-servers=http://127.0.0.1:8080 \
   --config=/etc/kubernetes/manifests
@@ -52,7 +52,7 @@ Pods running in your cluster can reference remote storage volumes located on an
 ```ini
 [Service]
 Environment="RKT_OPTS=--volume iscsiadm,kind=host,source=/usr/sbin/iscsiadm --mount volume=iscsiadm,target=/usr/sbin/iscsiadm"
-Environment=KUBELET_VERSION=v1.4.1_coreos.0
+Environment=KUBELET_VERSION=v1.4.3_coreos.0
 ExecStart=/usr/lib/coreos/kubelet-wrapper \
   --api-servers=http://127.0.0.1:8080 \
   --config=/etc/kubernetes/manifests
@@ -69,7 +69,7 @@ Environment="RKT_OPTS=--volume modprobe,kind=host,source=/usr/sbin/modprobe \
 --mount volume=modprobe,target=/usr/sbin/modprobe \
 --volume lib-modules,kind=host,source=/lib/modules \
 --mount volume=lib-modules,target=/lib/modules \
-Environment=KUBELET_VERSION=v1.4.1_coreos.0
+Environment=KUBELET_VERSION=v1.4.3_coreos.0
 ...
 ```
 
@@ -88,7 +88,7 @@ For example:
 
 ```ini
 [Service]
-Environment=KUBELET_VERSION=v1.4.1_coreos.0
+Environment=KUBELET_VERSION=v1.4.3_coreos.0
 ExecStart=/opt/bin/kubelet-wrapper \
   --api-servers=http://127.0.0.1:8080 \
   --config=/etc/kubernetes/manifests
diff --git a/Documentation/kubernetes-on-vagrant-single.md b/Documentation/kubernetes-on-vagrant-single.md
index 445f4fa35b..5bb69b1ea9 100644
--- a/Documentation/kubernetes-on-vagrant-single.md
+++ b/Documentation/kubernetes-on-vagrant-single.md
@@ -19,13 +19,13 @@ Navigate to the [Vagrant downloads page][vagrant-downloads] and grab the appropr
 The linux `kubectl` binary can be fetched with a command like:
 
 ```sh
-$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.1/bin/linux/amd64/kubectl
+$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.3/bin/linux/amd64/kubectl
 ```
 
 On an OS X workstation, replace `linux` in the URL above with `darwin`:
 
 ```sh
-$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.1/bin/darwin/amd64/kubectl
+$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.3/bin/darwin/amd64/kubectl
 ```
 
 After downloading the binary, ensure it is executable and move it into your PATH:
diff --git a/Documentation/kubernetes-on-vagrant.md b/Documentation/kubernetes-on-vagrant.md
index 91881a3170..65d16618f0 100644
--- a/Documentation/kubernetes-on-vagrant.md
+++ b/Documentation/kubernetes-on-vagrant.md
@@ -18,13 +18,13 @@ Navigate to the [Vagrant downloads page][vagrant-downloads] and grab the appropr
 The linux `kubectl` binary can be fetched with a command like:
 
 ```sh
-$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.1/bin/linux/amd64/kubectl
+$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.3/bin/linux/amd64/kubectl
 ```
 
 On an OS X workstation, replace `linux` in the URL above with `darwin`:
 
 ```sh
-$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.1/bin/darwin/amd64/kubectl
+$ curl -O https://storage.googleapis.com/kubernetes-release/release/v1.4.3/bin/darwin/amd64/kubectl
 ```
 
 After downloading the binary, ensure it is executable and move it into your PATH:
diff --git a/Documentation/kubernetes-upgrade.md b/Documentation/kubernetes-upgrade.md
index 4cc2957115..ed393beeb5 100644
--- a/Documentation/kubernetes-upgrade.md
+++ b/Documentation/kubernetes-upgrade.md
@@ -15,7 +15,7 @@ For example, modifying the `KUBELET_VERSION` environment variable in the followi
 **/etc/systemd/system/kubelet.service**
 
 ```
-Environment=KUBELET_VERSION=v1.4.1_coreos.0
+Environment=KUBELET_VERSION=v1.4.3_coreos.0
 ExecStart=/usr/lib/coreos/kubelet-wrapper \
   --api-servers=https://master [...]
 ```
diff --git a/contrib/bump-version.sh b/contrib/bump-version.sh
index 11067fe03a..ad7c4d7b26 100755
--- a/contrib/bump-version.sh
+++ b/contrib/bump-version.sh
@@ -6,11 +6,11 @@
 
 if [ $# -ne 1 ] || [ `expr $1 : ".*_.*"` == 0 ]; then
     echo "USAGE: $0 <target-version>"
-    echo "  example: $0 'v1.4.1_coreos.0'"
+    echo "  example: $0 'v1.4.3_coreos.0'"
     exit 1
 fi
 
-CURRENT_VERSION=${CURRENT_VERSION:-"v1.4.1_coreos.0"}
+CURRENT_VERSION=${CURRENT_VERSION:-"v1.4.3_coreos.0"}
 TARGET_VERSION=${1}
 
 CURRENT_VERSION_BASE=${CURRENT_VERSION%%_*}
diff --git a/contrib/conformance-test.sh b/contrib/conformance-test.sh
index 0ddc2fbb0c..cdddc2911e 100755
--- a/contrib/conformance-test.sh
+++ b/contrib/conformance-test.sh
@@ -3,7 +3,7 @@ set -euo pipefail
 
 CHECK_NODE_COUNT=${CHECK_NODE_COUNT:-true}
 CONFORMANCE_REPO=${CONFORMANCE_REPO:-github.com/coreos/kubernetes}
-CONFORMANCE_VERSION=${CONFORMANCE_VERSION:-v1.4.1+coreos.0}
+CONFORMANCE_VERSION=${CONFORMANCE_VERSION:-v1.4.3+coreos.0}
 SSH_OPTS=${SSH_OPTS:-}
 
 usage() {
diff --git a/multi-node/aws/pkg/config/config.go b/multi-node/aws/pkg/config/config.go
index 317d01bc1a..84cd1c18e5 100644
--- a/multi-node/aws/pkg/config/config.go
+++ b/multi-node/aws/pkg/config/config.go
@@ -38,7 +38,7 @@ func newDefaultCluster() *Cluster {
 		PodCIDR:                  "10.2.0.0/16",
 		ServiceCIDR:              "10.3.0.0/24",
 		DNSServiceIP:             "10.3.0.10",
-		K8sVer:                   "v1.4.1_coreos.0",
+		K8sVer:                   "v1.4.3_coreos.0",
 		HyperkubeImageRepo:       "quay.io/coreos/hyperkube",
 		TLSCADurationDays:        365 * 10,
 		TLSCertDurationDays:      365,
diff --git a/multi-node/aws/pkg/config/templates/cluster.yaml b/multi-node/aws/pkg/config/templates/cluster.yaml
index d2049d8d3e..7b9a51e822 100644
--- a/multi-node/aws/pkg/config/templates/cluster.yaml
+++ b/multi-node/aws/pkg/config/templates/cluster.yaml
@@ -110,7 +110,7 @@ kmsKeyArn: "{{.KMSKeyARN}}"
 #tlsCertDurationDays: 365
 
 # Version of hyperkube image to use. This is the tag for the hyperkube image repository.
-# kubernetesVersion: v1.4.1_coreos.0
+# kubernetesVersion: v1.4.3_coreos.0
 
 # Hyperkube image repository to use.
 # hyperkubeImageRepo: quay.io/coreos/hyperkube
diff --git a/multi-node/generic/controller-install.sh b/multi-node/generic/controller-install.sh
index bb1f36bc17..30a9730cb1 100644
--- a/multi-node/generic/controller-install.sh
+++ b/multi-node/generic/controller-install.sh
@@ -5,7 +5,7 @@ set -e
 export ETCD_ENDPOINTS=
 
 # Specify the version (vX.Y.Z) of Kubernetes assets to deploy
-export K8S_VER=v1.4.1_coreos.0
+export K8S_VER=v1.4.3_coreos.0
 
 # Hyperkube image repository to use.
 export HYPERKUBE_IMAGE_REPO=quay.io/coreos/hyperkube
diff --git a/multi-node/generic/worker-install.sh b/multi-node/generic/worker-install.sh
index 1959fd7f5c..af8f40791e 100644
--- a/multi-node/generic/worker-install.sh
+++ b/multi-node/generic/worker-install.sh
@@ -10,7 +10,7 @@ export ETCD_ENDPOINTS=
 export CONTROLLER_ENDPOINT=
 
 # Specify the version (vX.Y.Z) of Kubernetes assets to deploy
-export K8S_VER=v1.4.1_coreos.0
+export K8S_VER=v1.4.3_coreos.0
 
 # Hyperkube image repository to use.
 export HYPERKUBE_IMAGE_REPO=quay.io/coreos/hyperkube
diff --git a/single-node/user-data b/single-node/user-data
index cf2b2760df..0e6999f02b 100644
--- a/single-node/user-data
+++ b/single-node/user-data
@@ -5,7 +5,7 @@ set -e
 export ETCD_ENDPOINTS="http://127.0.0.1:2379"
 
 # Specify the version (vX.Y.Z) of Kubernetes assets to deploy
-export K8S_VER=v1.4.1_coreos.0
+export K8S_VER=v1.4.3_coreos.0
 
 # Hyperkube image repository to use.
 export HYPERKUBE_IMAGE_REPO=quay.io/coreos/hyperkube