diff --git a/upup/models/cloudup/resources/addons/networking.flannel/k8s-1.25.yaml.template b/upup/models/cloudup/resources/addons/networking.flannel/k8s-1.25.yaml.template
new file mode 100644
index 0000000000..8e4ee6c73a
--- /dev/null
+++ b/upup/models/cloudup/resources/addons/networking.flannel/k8s-1.25.yaml.template
@@ -0,0 +1,207 @@
+# Pulled and modified from: https://raw.githubusercontent.com/coreos/flannel/v0.19.2/Documentation/kube-flannel.yml
+---
+kind: Namespace
+apiVersion: v1
+metadata:
+  name: kube-flannel
+  labels:
+    pod-security.kubernetes.io/enforce: privileged
+---
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: flannel
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  verbs:
+  - get
+- apiGroups:
+  - ""
+  resources:
+  - nodes
+  verbs:
+  - list
+  - watch
+- apiGroups:
+  - ""
+  resources:
+  - nodes/status
+  verbs:
+  - patch
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: flannel
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: flannel
+subjects:
+- kind: ServiceAccount
+  name: flannel
+  namespace: kube-flannel
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: flannel
+  namespace: kube-flannel
+---
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: kube-flannel-cfg
+  namespace: kube-flannel
+  labels:
+    tier: node
+    app: flannel
+data:
+  cni-conf.json: |
+    {
+      "name": "cbr0",
+      "cniVersion": "0.3.1",
+      "plugins": [
+        {
+          "type": "flannel",
+          "delegate": {
+            "hairpinMode": true,
+            "isDefaultGateway": true
+          }
+        },
+        {
+          "type": "portmap",
+          "capabilities": {
+            "portMappings": true
+          }
+        }
+      ]
+    }
+  net-conf.json: |
+    {
+      "Network": "{{ .NonMasqueradeCIDR }}",
+      "Backend": {
+        "Type": "{{ FlannelBackendType }}"
+      }
+    }
+---
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: kube-flannel-ds
+  namespace: kube-flannel
+  labels:
+    tier: node
+    app: flannel
+spec:
+  selector:
+    matchLabels:
+      tier: node
+      app: flannel
+  template:
+    metadata:
+      labels:
+        tier: node
+        app: flannel
+    spec:
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+            - matchExpressions:
+              - key: kubernetes.io/os
+                operator: In
+                values:
+                - linux
+      hostNetwork: true
+      priorityClassName: system-node-critical
+      tolerations:
+      - operator: Exists
+        effect: NoSchedule
+      serviceAccountName: flannel
+      initContainers:
+      - name: install-cni-plugin
+       #image: flannelcni/flannel-cni-plugin:v1.1.0 for ppc64le and mips64le (dockerhub limitations may apply)
+        image: docker.io/rancher/mirrored-flannelcni-flannel-cni-plugin:v1.1.0
+        command:
+        - cp
+        args:
+        - -f
+        - /flannel
+        - /opt/cni/bin/flannel
+        volumeMounts:
+        - name: cni-plugin
+          mountPath: /opt/cni/bin
+      - name: install-cni
+       #image: flannelcni/flannel:v0.19.2 for ppc64le and mips64le (dockerhub limitations may apply)
+        image: docker.io/rancher/mirrored-flannelcni-flannel:v0.19.2
+        command:
+        - cp
+        args:
+        - -f
+        - /etc/kube-flannel/cni-conf.json
+        - /etc/cni/net.d/10-flannel.conflist
+        volumeMounts:
+        - name: cni
+          mountPath: /etc/cni/net.d
+        - name: flannel-cfg
+          mountPath: /etc/kube-flannel/
+      containers:
+      - name: kube-flannel
+       #image: flannelcni/flannel:v0.19.2 for ppc64le and mips64le (dockerhub limitations may apply)
+        image: docker.io/rancher/mirrored-flannelcni-flannel:v0.19.2
+        command:
+        - /opt/bin/flanneld
+        args:
+        - --ip-masq
+        - --kube-subnet-mgr
+        - --iptables-resync={{- or .Networking.Flannel.IptablesResyncSeconds "5" }}
+        resources:
+          requests:
+            cpu: "100m"
+            memory: "50Mi"
+          limits:
+            cpu: "100m"
+            memory: "50Mi"
+        securityContext:
+          privileged: false
+          capabilities:
+            add: ["NET_ADMIN", "NET_RAW"]
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        - name: POD_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: EVENT_QUEUE_DEPTH
+          value: "5000"
+        volumeMounts:
+        - name: run
+          mountPath: /run/flannel
+        - name: flannel-cfg
+          mountPath: /etc/kube-flannel/
+        - name: xtables-lock
+          mountPath: /run/xtables.lock
+      volumes:
+      - name: run
+        hostPath:
+          path: /run/flannel
+      - name: cni-plugin
+        hostPath:
+          path: /opt/cni/bin
+      - name: cni
+        hostPath:
+          path: /etc/cni/net.d
+      - name: flannel-cfg
+        configMap:
+          name: kube-flannel-cfg
+      - name: xtables-lock
+        hostPath:
+          path: /run/xtables.lock
+          type: FileOrCreate
diff --git a/upup/pkg/fi/cloudup/bootstrapchannelbuilder/bootstrapchannelbuilder.go b/upup/pkg/fi/cloudup/bootstrapchannelbuilder/bootstrapchannelbuilder.go
index 88b78e6ef6..c272f7aa4c 100644
--- a/upup/pkg/fi/cloudup/bootstrapchannelbuilder/bootstrapchannelbuilder.go
+++ b/upup/pkg/fi/cloudup/bootstrapchannelbuilder/bootstrapchannelbuilder.go
@@ -906,16 +906,28 @@ func (b *BootstrapChannelBuilder) buildAddons(c *fi.ModelBuilderContext) (*Addon
 	if b.Cluster.Spec.Networking.Flannel != nil {
 		key := "networking.flannel"
 
-		{
-			location := key + "/k8s-1.12.yaml"
-			id := "k8s-1.12"
+		if b.IsKubernetesGTE("v1.25.0") {
+			id := "k8s-1.25"
+			location := key + "/" + id + ".yaml"
 
-			addons.Add(&channelsapi.AddonSpec{
+			addon := addons.Add(&channelsapi.AddonSpec{
 				Name:     fi.String(key),
 				Selector: networkingSelector(),
 				Manifest: fi.String(location),
 				Id:       id,
 			})
+			addon.BuildPrune = true
+		} else {
+			id := "k8s-1.12"
+			location := key + "/" + id + ".yaml"
+
+			addon := addons.Add(&channelsapi.AddonSpec{
+				Name:     fi.String(key),
+				Selector: networkingSelector(),
+				Manifest: fi.String(location),
+				Id:       id,
+			})
+			addon.BuildPrune = true
 		}
 	}