diff --git a/docs/reference/setup-tools/kubeadm/kubeadm-upgrade.md b/docs/reference/setup-tools/kubeadm/kubeadm-upgrade.md
index e74ae581e5..d65b7d5947 100755
--- a/docs/reference/setup-tools/kubeadm/kubeadm-upgrade.md
+++ b/docs/reference/setup-tools/kubeadm/kubeadm-upgrade.md
@@ -21,6 +21,8 @@ Please check these documents out for more detailed how-to-upgrade guidance:
  * [1.7.x to 1.7.y upgrades](/docs/tasks/administer-cluster/kubeadm-upgrade-1-8/)
  * [1.7 to 1.8 upgrades](/docs/tasks/administer-cluster/kubeadm-upgrade-1-8/)
  * [1.8.x to 1.8.y upgrades](/docs/tasks/administer-cluster/kubeadm-upgrade-1-8/)
+ * [1.8.x to 1.9.x upgrades](/docs/tasks/administer-cluster/kubeadm-upgrade-1-9/)
+ * [1.9.x to 1.9.y upgrades](/docs/tasks/administer-cluster/kubeadm-upgrade-1-9/)
 
 ## kubeadm upgrade plan {#cmd-upgrade-plan}
 {% include_relative generated/kubeadm_upgrade_plan.md %}