diff --git a/README.md b/README.md
index 1b839cf..997866f 100644
--- a/README.md
+++ b/README.md
@@ -9,8 +9,3 @@ Make sure the virtual machines meet the following requirements
 For instructions on how to set up Ubuntu Server 22.04, see the document "Installing Ubuntu 22-04" in this Git repository.
 For information on getting started with VirtualBox, see this video: https://www.youtube.com/watch?v=4qwUHSaIJdY
 
-JUNE 2023 NOTE: The Calico network plugin has been changing a lot lately. I recommend using the following command to install it:
-
-kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.26.0/manifests/calico.yaml
-
-For more information, see the instructions at https://docs.tigera.io/calico/latest/getting-started/kubernetes/quickstart to install the Calico network plugin. 
diff --git a/setup-kubetools-previousversion.sh b/setup-kubetools-previousversion.sh
index fd511f9..13e0001 100755
--- a/setup-kubetools-previousversion.sh
+++ b/setup-kubetools-previousversion.sh
@@ -22,17 +22,11 @@ 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 -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
-
+	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
@@ -49,4 +43,4 @@ sysctl --system
 
 sudo crictl config --set \
     runtime-endpoint=unix:///run/containerd/containerd.sock
-echo 'after initializing the control node, follow instructions and use kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.25.0/manifests/calico.yaml to install the calico plugin (control node only). On the worker nodes, use sudo kubeadm join ... to join'
+echo 'after initializing the control node, follow instructions and use kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml to install the calico plugin (control node only). On the worker nodes, use sudo kubeadm join ... to join'
diff --git a/setup-kubetools.sh b/setup-kubetools.sh
index 3eedd47..db490f7 100755
--- a/setup-kubetools.sh
+++ b/setup-kubetools.sh
@@ -15,6 +15,13 @@ fi
 MYOS=$(hostnamectl | awk '/Operating/ { print $3 }')
 OSVERSION=$(hostnamectl | awk '/Operating/ { print $4 }')
 
+# detecting latest Kubernetes version
+KUBEVERSION=$(curl -s https://api.github.com/repos/kubernetes/kubernetes/releases/latest | jq -r '.tag_name')
+KUBEVERSION=${KUBEVERSION%.*}
+
+echo "Latest Kubernetes version is: $latest_version"
+
+
 if [ $MYOS = "Ubuntu" ]
 then
 	echo RUNNING UBUNTU CONFIG
@@ -29,8 +36,8 @@ EOF
 #	deb https://apt.kubernetes.io/ kubernetes-xenial main
 #EOF
 	sudo apt-get update && sudo apt-get install -y apt-transport-https curl
-	curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.28/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
-	echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.29/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
+	curl -fsSL https://pkgs.k8s.io/core:/stable:/${KUBEVERSION}/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:/${KUBEVERSION}/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
 
 	sudo apt-get update
 	sudo apt-get install -y kubelet kubeadm kubectl
@@ -49,4 +56,4 @@ sysctl --system
 
 sudo crictl config --set \
     runtime-endpoint=unix:///run/containerd/containerd.sock
-echo 'after initializing the control node, follow instructions and use kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.25.0/manifests/calico.yaml to install the calico plugin (control node only). On the worker nodes, use sudo kubeadm join ... to join'
+echo 'after initializing the control node, follow instructions and use kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml to install the calico plugin (control node only). On the worker nodes, use sudo kubeadm join ... to join'