diff --git a/cortex.sh b/cortex.sh
index e283e433aa..b94c21711a 100755
--- a/cortex.sh
+++ b/cortex.sh
@@ -179,7 +179,16 @@ if [ "$arg2" != "cli" ]; then
   set_aws_credentials
 fi
 
+function validate_install() {
+  if [[ $CORTEX_NODE_TYPE == *nano ]] || [[ $CORTEX_NODE_TYPE == *micro ]] || [[ $CORTEX_NODE_TYPE == *small ]] || [[ $CORTEX_NODE_TYPE == *medium ]]; then
+    echo -e "\nCortex does not support nano, micro, small, or medium instances - please specify a larger instance type"
+    exit 1
+  fi
+}
+
 if [ "$arg1" = "install" ] && [ "$arg2" = "" ] && [ "$arg3" = "" ]; then
+  validate_install
+
   echo
   echo "￮ cluster name:      $CORTEX_CLUSTER"
   echo "￮ region:            $CORTEX_REGION"
diff --git a/dev/uninstall_cortex.sh b/dev/uninstall_cortex.sh
index 0634a72d58..d4db8bb724 100755
--- a/dev/uninstall_cortex.sh
+++ b/dev/uninstall_cortex.sh
@@ -25,5 +25,12 @@ echo "Uninstalling Cortex ..."
 
 kubectl delete --ignore-not-found=true namespace istio-system
 kubectl delete --ignore-not-found=true namespace $CORTEX_NAMESPACE
+kubectl delete --ignore-not-found=true -n kube-system deployment cluster-autoscaler
+kubectl delete --ignore-not-found=true apiservice v1beta1.metrics.k8s.io
+kubectl delete --ignore-not-found=true -n kube-system deployment metrics-server
+kubectl delete --ignore-not-found=true -n kube-system service metrics-server
+kubectl delete --ignore-not-found=true -n kube-system daemonset istio-cni-node
+kubectl delete --ignore-not-found=true -n kube-system daemonset aws-node
+kubectl delete --all crds
 
 echo "✓ Uninstalled Cortex"
diff --git a/images/istio-citadel/Dockerfile b/images/istio-citadel/Dockerfile
index 1b80668054..a9545dafd7 100644
--- a/images/istio-citadel/Dockerfile
+++ b/images/istio-citadel/Dockerfile
@@ -1 +1 @@
-FROM docker.io/istio/citadel:1.3.0
+FROM docker.io/istio/citadel:1.3.2
diff --git a/images/istio-galley/Dockerfile b/images/istio-galley/Dockerfile
index bfa7fcb396..cd6472ecd8 100644
--- a/images/istio-galley/Dockerfile
+++ b/images/istio-galley/Dockerfile
@@ -1 +1 @@
-FROM docker.io/istio/galley:1.3.0
+FROM docker.io/istio/galley:1.3.2
diff --git a/images/istio-pilot/Dockerfile b/images/istio-pilot/Dockerfile
index 6afc16f13f..a873e7bc1e 100644
--- a/images/istio-pilot/Dockerfile
+++ b/images/istio-pilot/Dockerfile
@@ -1 +1 @@
-FROM docker.io/istio/pilot:1.3.0
+FROM docker.io/istio/pilot:1.3.2
diff --git a/images/istio-proxy/Dockerfile b/images/istio-proxy/Dockerfile
index f025390674..f401ecca13 100644
--- a/images/istio-proxy/Dockerfile
+++ b/images/istio-proxy/Dockerfile
@@ -1 +1 @@
-FROM docker.io/istio/proxyv2:1.3.0
+FROM docker.io/istio/proxyv2:1.3.2
diff --git a/images/manager/Dockerfile b/images/manager/Dockerfile
index 86181ec481..5482ca82d6 100644
--- a/images/manager/Dockerfile
+++ b/images/manager/Dockerfile
@@ -27,7 +27,7 @@ RUN curl -LO https://get.helm.sh/helm-v2.14.3-linux-amd64.tar.gz && \
     rm -rf linux-amd64 && \
     rm helm-v2.14.3-linux-amd64.tar.gz
 
-RUN ISTIO_VERSION=1.3.0 && \
+RUN ISTIO_VERSION=1.3.2 && \
     curl -L "https://github.com/istio/istio/releases/download/${ISTIO_VERSION}/istio-${ISTIO_VERSION}-linux.tar.gz" | tar xz && \
     mkdir ./istio-manifests && \
     mv ./istio-${ISTIO_VERSION}/install/kubernetes/helm/* ./istio-manifests/ && \
diff --git a/manager/install_cortex.sh b/manager/install_cortex.sh
index 0324330b4a..f93706c055 100755
--- a/manager/install_cortex.sh
+++ b/manager/install_cortex.sh
@@ -91,7 +91,10 @@ function setup_istio() {
   echo -n "."
 
   helm template istio-manifests/istio-cni --name istio-cni --namespace kube-system | kubectl apply -f - >/dev/null
-  echo -n "."
+  until [ "$(kubectl get daemonset istio-cni-node -n kube-system -o 'jsonpath={.status.numberReady}')" == "$(kubectl get daemonset istio-cni-node -n kube-system -o 'jsonpath={.status.desiredNumberScheduled}')" ]; do
+    echo -n "."
+    sleep 5
+  done
 
   envsubst < manifests/istio-values.yaml | helm template istio-manifests/istio --values - --name istio --namespace istio-system | kubectl apply -f - >/dev/null
 }
@@ -172,9 +175,6 @@ function validate_cortex() {
 
 eksctl utils write-kubeconfig --name=$CORTEX_CLUSTER --region=$CORTEX_REGION | grep -v "saved kubeconfig as" | grep -v "using region" || true
 
-# https://docs.aws.amazon.com/eks/latest/userguide/cni-upgrades.html
-kubectl apply -f https://raw.githubusercontent.com/aws/amazon-vpc-cni-k8s/v1.5.3/config/v1.5/aws-k8s-cni.yaml >/dev/null
-
 setup_bucket
 setup_cloudwatch_logs
 
@@ -185,6 +185,12 @@ setup_secrets
 echo "✓ Updated cluster configuration"
 
 echo -en "￮ Configuring networking "
+# https://docs.aws.amazon.com/eks/latest/userguide/cni-upgrades.html
+kubectl apply -f https://raw.githubusercontent.com/aws/amazon-vpc-cni-k8s/v1.5.4/config/v1.5/aws-k8s-cni.yaml >/dev/null
+until [ "$(kubectl get daemonset aws-node -n kube-system -o 'jsonpath={.status.updatedNumberScheduled}')" == "$(kubectl get daemonset aws-node -n kube-system -o 'jsonpath={.status.desiredNumberScheduled}')" ]; do
+  echo -n "."
+  sleep 5
+done
 setup_istio
 envsubst < manifests/apis.yaml | kubectl apply -f - >/dev/null
 echo -e "\n✓ Configured networking"