kubernetes/helm/istio --name istio \
    --namespace istio-system --set global.mtls.enabled=true &gt; install/kubernetes/istio-auth.yaml</code></pre><p>If using Kubernetes versions prior to 1.9, you should add <code>--set sidecarInjectorWebhook.enabled=false</code>.</p><p>Second, simply apply the new version of the desired Istio control plane yaml file directly, e.g.</p><pre><code class=language-command>$ kubectl apply -f install/kubernetes/istio.yaml</code></pre><p>or</p><pre><code class=language-command>$