diff --git a/k3s-host/setup.sh b/k3s-host/setup.sh
index 51ec9cc..9bc14d5 100755
--- a/k3s-host/setup.sh
+++ b/k3s-host/setup.sh
@@ -181,7 +181,7 @@ EOF
 		if test "$self_node" = $node_k8s_etcd; then
 			args="$args --disable-apiserver --disable-controller-manager --disable-scheduler"
 		fi
-		export INSTALL_K3S_VERSION=v1.30.5+k3s1
+		export INSTALL_K3S_VERSION=$K3S_VERSION
 		curl -fL https://get.k3s.io | sh -s - server $args --cluster-init --disable=servicelb --disable=traefik --write-kubeconfig-mode=644 --node-ip=$node_k8s_ipv4_prefix.$self_node,$node_k8s_ipv6_prefix::$self_node $node_k8s_cidr --flannel-ipv6-masq
 		if test "$self_node" = $node_k8s_etcd; then
 			retry --times 20 -- kubectl taint nodes $(hostname) key1=value1:NoSchedule
@@ -198,8 +198,7 @@ function setup_k8s_apply() {
 
 function setup_k8s_traefik() {
 	# https://github.com/traefik/traefik-helm-chart?tab=readme-ov-file#deploying-traefik
-	helm repo add traefik https://traefik.github.io/charts
-	$SELF_DIR/subst.sh traefik.yml | helm upgrade --install --namespace kube-system traefik -f - --set installCRDs=true --version 32.1.1 traefik/traefik
+	$SELF_DIR/subst.sh traefik.yml | helm upgrade --install --namespace kube-system traefik -f - --set installCRDs=true --version $TRAEFIK_VERSION oci://ghcr.io/traefik/helm/traefik
 }
 
 function setup_k8s_nfs() {
diff --git a/k3s-host/variables.sh.example b/k3s-host/variables.sh.example
index 81b64b3..ec7c578 100755
--- a/k3s-host/variables.sh.example
+++ b/k3s-host/variables.sh.example
@@ -1,5 +1,8 @@
 #!/bin/bash
 
+K3S_VERSION=v1.30.5+k3s1
+TRAEFIK_VERSION=32.1.1
+
 nodes="5 6"
 
 node_interface=(