diff --git a/docs/getting-started-guides/kubeadm.md b/docs/getting-started-guides/kubeadm.md
index 5fc815ea9c..b5a9845b44 100644
--- a/docs/getting-started-guides/kubeadm.md
+++ b/docs/getting-started-guides/kubeadm.md
@@ -69,6 +69,7 @@ For each host in turn:
 * SSH into the machine and become `root` if you are not already (for example, run `sudo su -`).
 * If the machine is running Ubuntu or HypriotOS, run:
 
+      apt-get update && apt-get install -y apt-transport-https
       curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
       cat <<EOF > /etc/apt/sources.list.d/kubernetes.list
       deb http://apt.kubernetes.io/ kubernetes-xenial main