diff --git a/bootstrap/templates/ansible/playbooks/templates/custom-cilium-helmchart.yaml.j2 b/bootstrap/templates/ansible/playbooks/templates/custom-cilium-helmchart.yaml.j2
index a5928be4323..d04ce62aa1b 100644
--- a/bootstrap/templates/ansible/playbooks/templates/custom-cilium-helmchart.yaml.j2
+++ b/bootstrap/templates/ansible/playbooks/templates/custom-cilium-helmchart.yaml.j2
@@ -9,7 +9,7 @@ spec:
   repo: https://helm.cilium.io/
   chart: cilium
   # renovate: datasource=helm depName=cilium repository=https://helm.cilium.io
-  version: 1.14.6
+  version: 1.15.0
   targetNamespace: kube-system
   bootstrap: true
   valuesContent: |-
diff --git a/bootstrap/templates/kubernetes/k0s/k0sctl.yaml.j2 b/bootstrap/templates/kubernetes/k0s/k0sctl.yaml.j2
index 2324094a7a1..97d94a8cf50 100644
--- a/bootstrap/templates/kubernetes/k0s/k0sctl.yaml.j2
+++ b/bootstrap/templates/kubernetes/k0s/k0sctl.yaml.j2
@@ -85,7 +85,7 @@ spec:
               - name: cilium
                 chartname: cilium/cilium
                 # renovate: datasource=helm depName=cilium repository=https://helm.cilium.io
-                version: 1.14.6
+                version: 1.15.0
                 namespace: kube-system
                 values: |2
                   {% filter indent(width=18, first=True) %}
diff --git a/bootstrap/templates/kubernetes/talos/cilium/kustomization.yaml.j2 b/bootstrap/templates/kubernetes/talos/cilium/kustomization.yaml.j2
index a84e2566466..26b2c0154f1 100644
--- a/bootstrap/templates/kubernetes/talos/cilium/kustomization.yaml.j2
+++ b/bootstrap/templates/kubernetes/talos/cilium/kustomization.yaml.j2
@@ -4,7 +4,7 @@ kind: Kustomization
 helmCharts:
   - name: cilium
     repo: https://helm.cilium.io
-    version: 1.14.6
+    version: 1.15.0
     releaseName: cilium
     namespace: kube-system
     valuesFile: values.yaml
diff --git a/bootstrap/templates/partials/cilium-values-full.partial.yaml.j2 b/bootstrap/templates/partials/cilium-values-full.partial.yaml.j2
index af57c5c3d97..aca34815f97 100644
--- a/bootstrap/templates/partials/cilium-values-full.partial.yaml.j2
+++ b/bootstrap/templates/partials/cilium-values-full.partial.yaml.j2
@@ -80,10 +80,6 @@ l2announcements:
   enabled: false
   {% else %}
   enabled: true
-  # https://github.com/cilium/cilium/issues/26586
-  leaseDuration: 120s
-  leaseRenewDeadline: 60s
-  leaseRetryPeriod: 1s
   {% endif %}
 loadBalancer:
   algorithm: maglev
@@ -92,6 +88,23 @@ localRedirectPolicy: true
 operator:
   replicas: 1
   rollOutPods: true
+  prometheus:
+    enabled: true
+    serviceMonitor:
+      enabled: true
+  dashboards:
+    enabled: true
+    annotations:
+      grafana_folder: Cilium
+prometheus:
+  enabled: true
+  serviceMonitor:
+    enabled: true
+    trustCRDsExist: true
+dashboards:
+  enabled: true
+  annotations:
+    grafana_folder: Cilium
 rollOutCiliumPods: true
 routingMode: native
 securityContext:
diff --git a/bootstrap/templates/partials/cilium-values-init.partial.yaml.j2 b/bootstrap/templates/partials/cilium-values-init.partial.yaml.j2
index 42d7b1dd7a3..581ca66ff09 100644
--- a/bootstrap/templates/partials/cilium-values-init.partial.yaml.j2
+++ b/bootstrap/templates/partials/cilium-values-init.partial.yaml.j2
@@ -43,10 +43,6 @@ l2announcements:
   enabled: false
   {% else %}
   enabled: true
-  # https://github.com/cilium/cilium/issues/26586
-  leaseDuration: 120s
-  leaseRenewDeadline: 60s
-  leaseRetryPeriod: 1s
   {% endif %}
 loadBalancer:
   algorithm: maglev