diff --git a/apis/management.cattle.io/v3/k8s_defaults.go b/apis/management.cattle.io/v3/k8s_defaults.go
index 23a2ffbc..a090edbc 100644
--- a/apis/management.cattle.io/v3/k8s_defaults.go
+++ b/apis/management.cattle.io/v3/k8s_defaults.go
@@ -9,7 +9,7 @@ import (
 )
 
 const (
-	DefaultK8s = "v1.13.1-rancher1-1-1"
+	DefaultK8s = "v1.13.1-rancher1-1"
 )
 
 var (
@@ -20,8 +20,8 @@ var (
 		"v1.9.7-rancher2-2",
 		"v1.10.12-rancher1-1",
 		"v1.11.6-rancher1-1",
-		"v1.12.5-rancher1-1-1",
-		"v1.13.1-rancher1-1-1",
+		"v1.12.5-rancher1-1",
+		"v1.13.1-rancher1-1",
 	}
 
 	// K8sVersionToRKESystemImages is dynamically populated on init() with the latest versions
@@ -745,7 +745,7 @@ var (
 			IngressBackend:            m("k8s.gcr.io/defaultbackend:1.4"),
 			MetricsServer:             m("gcr.io/google_containers/metrics-server-amd64:v0.3.1"),
 		},
-		"v1.12.5-rancher1-1-1": {
+		"v1.12.5-rancher1-1": {
 			Etcd:                      m("quay.io/coreos/etcd:v3.2.24"),
 			Kubernetes:                m("rancher/hyperkube:v1.12.5-rancher1"),
 			Alpine:                    m("rancher/rke-tools:v0.1.16"),
@@ -771,7 +771,7 @@ var (
 			IngressBackend:            m("k8s.gcr.io/defaultbackend:1.4"),
 			MetricsServer:             m("gcr.io/google_containers/metrics-server-amd64:v0.3.1"),
 		},
-		"v1.13.1-rancher1-1-1": {
+		"v1.13.1-rancher1-1": {
 			Etcd:                      m("quay.io/coreos/etcd:v3.2.24"),
 			Kubernetes:                m("rancher/hyperkube:v1.13.1-rancher1"),
 			Alpine:                    m("rancher/rke-tools:v0.1.16"),
diff --git a/apis/management.cattle.io/v3/k8s_windows_default.go b/apis/management.cattle.io/v3/k8s_windows_default.go
index 6cf01193..21843b3a 100644
--- a/apis/management.cattle.io/v3/k8s_windows_default.go
+++ b/apis/management.cattle.io/v3/k8s_windows_default.go
@@ -254,7 +254,7 @@ var (
 			CanalCNIBinaries:   m("rancher/canal-cni:v0.0.1-nanoserver-1803"),
 			KubeletPause:       m("rancher/kubelet-pause:v0.0.1-nanoserver-1803"),
 		},
-		"v1.12.5-rancher1-1-1": {
+		"v1.12.5-rancher1-1": {
 			NginxProxy:         m("rancher/nginx-proxy:v0.0.1-nanoserver-1803"),
 			KubernetesBinaries: m("rancher/hyperkube:v1.12.5-nanoserver-1803"),
 			FlannelCNIBinaries: m("rancher/flannel-cni:v0.0.1-nanoserver-1803"),
@@ -262,7 +262,7 @@ var (
 			CanalCNIBinaries:   m("rancher/canal-cni:v0.0.1-nanoserver-1803"),
 			KubeletPause:       m("rancher/kubelet-pause:v0.0.1-nanoserver-1803"),
 		},
-		"v1.13.1-rancher1-1-1": {
+		"v1.13.1-rancher1-1": {
 			NginxProxy:         m("rancher/nginx-proxy:v0.0.1-nanoserver-1803"),
 			KubernetesBinaries: m("rancher/hyperkube:v1.13.1-nanoserver-1803"),
 			FlannelCNIBinaries: m("rancher/flannel-cni:v0.0.1-nanoserver-1803"),