diff --git a/setup-kubetools.sh b/setup-kubetools.sh
index 24a3cdf..cb41f2c 100755
--- a/setup-kubetools.sh
+++ b/setup-kubetools.sh
@@ -22,13 +22,17 @@ then
 	br_netfilter
 EOF
 	
+### update 5-3-2024
+#	sudo apt-get update && sudo apt-get install -y apt-transport-https curl
+#	curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
+#	cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
+#	deb https://apt.kubernetes.io/ kubernetes-xenial main
+#EOF
 	sudo apt-get update && sudo apt-get install -y apt-transport-https curl
-	curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
-	cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
-	deb https://apt.kubernetes.io/ kubernetes-xenial main
-EOF
+	curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.28/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
+	echo "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.28/deb/ /" | sudo tee /etc/apt/sources.list.d/kubernetes.list
+
 
-	sudo apt-get update
 	sudo apt-get install -y kubelet kubeadm kubectl
 	sudo apt-mark hold kubelet kubeadm kubectl
 	swapoff -a