diff --git a/tcs-upgrade/kubesphere/k8scluster.yaml b/tcs-upgrade/kubesphere/k8scluster.yaml
index bea955d..0509af3 100644
--- a/tcs-upgrade/kubesphere/k8scluster.yaml
+++ b/tcs-upgrade/kubesphere/k8scluster.yaml
@@ -4,12 +4,12 @@ metadata:
   name: bfs-k8scluster-1
 spec:
   hosts:
-  - {name: bfs-k8smaster-10-2-1-2.hetzner.base.beaconfireinc.com, address: 10.2.1.2, internalAddress: 10.2.1.2, privateKeyPath: "~/.ssh/bfs-ed25529"}
-  - {name: bfs-k8smaster-10-2-1-3.hetzner.base.beaconfireinc.com, address: 10.2.1.3, internalAddress: 10.2.1.3, privateKeyPath: "~/.ssh/bfs-ed25529"}
-  - {name: bfs-k8smaster-10-2-1-4.hetzner.base.beaconfireinc.com, address: 10.2.1.4, internalAddress: 10.2.1.4, privateKeyPath: "~/.ssh/bfs-ed25529"}
-  - {name: bfs-k8snode-10-2-1-5.hetzner.base.beaconfireinc.com, address: 10.2.1.5, internalAddress: 10.2.1.5, privateKeyPath: "~/.ssh/bfs-ed25529"}
-  - {name: bfs-k8snode-10-2-1-6.hetzner.base.beaconfireinc.com, address: 10.2.1.6, internalAddress: 10.2.1.6, privateKeyPath: "~/.ssh/bfs-ed25529"}
-  - {name: bfs-k8snode-10-2-1-7.hetzner.base.beaconfireinc.com, address: 10.2.1.7, internalAddress: 10.2.1.7, privateKeyPath: "~/.ssh/bfs-ed25529"}
+  - {name: bfs-k8smaster-10-2-1-2.hetzner.base.beaconfireinc.com, address: 10.2.1.2, internalAddress: 10.2.1.2, privateKeyPath: "~/.ssh/bfs-ed25519"}
+  - {name: bfs-k8smaster-10-2-1-3.hetzner.base.beaconfireinc.com, address: 10.2.1.3, internalAddress: 10.2.1.3, privateKeyPath: "~/.ssh/bfs-ed25519"}
+  - {name: bfs-k8smaster-10-2-1-4.hetzner.base.beaconfireinc.com, address: 10.2.1.4, internalAddress: 10.2.1.4, privateKeyPath: "~/.ssh/bfs-ed25519"}
+  - {name: bfs-k8snode-10-2-1-5.hetzner.base.beaconfireinc.com, address: 10.2.1.5, internalAddress: 10.2.1.5, privateKeyPath: "~/.ssh/bfs-ed25519"}
+  - {name: bfs-k8snode-10-2-1-6.hetzner.base.beaconfireinc.com, address: 10.2.1.6, internalAddress: 10.2.1.6, privateKeyPath: "~/.ssh/bfs-ed25519"}
+  - {name: bfs-k8snode-10-2-1-7.hetzner.base.beaconfireinc.com, address: 10.2.1.7, internalAddress: 10.2.1.7, privateKeyPath: "~/.ssh/bfs-ed25519"}
   roleGroups:
     etcd:
     - bfs-k8smaster-10-2-1-2.hetzner.base.beaconfireinc.com