diff --git a/bootstrap/helmfile.yaml b/bootstrap/helmfile.yaml
index c50c85be..be288527 100644
--- a/bootstrap/helmfile.yaml
+++ b/bootstrap/helmfile.yaml
@@ -15,7 +15,7 @@ releases:
     namespace: kube-system
     atomic: true
     chart: cilium/cilium
-    version: 1.17.4
+    version: 1.18.3
     values: ['{{ requiredEnv "ROOT_DIR" }}/kubernetes/apps/kube-system/cilium/app/helm/values.yaml']
 
   - name: coredns
diff --git a/kubernetes/apps/kube-system/cilium/app/helmrelease.yaml b/kubernetes/apps/kube-system/cilium/app/helmrelease.yaml
index b67f582e..6cd60286 100644
--- a/kubernetes/apps/kube-system/cilium/app/helmrelease.yaml
+++ b/kubernetes/apps/kube-system/cilium/app/helmrelease.yaml
@@ -19,7 +19,7 @@ spec:
   chart:
     spec:
       chart: cilium
-      version: 1.17.4
+      version: 1.18.3
       sourceRef:
         kind: HelmRepository
         name: cilium
diff --git a/templates/config/bootstrap/helmfile.yaml.j2 b/templates/config/bootstrap/helmfile.yaml.j2
index 42896586..7f7756e7 100644
--- a/templates/config/bootstrap/helmfile.yaml.j2
+++ b/templates/config/bootstrap/helmfile.yaml.j2
@@ -15,7 +15,7 @@ releases:
     namespace: kube-system
     atomic: true
     chart: cilium/cilium
-    version: 1.17.4
+    version: 1.18.3
     values: ['{{ requiredEnv "ROOT_DIR" }}/kubernetes/apps/kube-system/cilium/app/helm/values.yaml']
 
   - name: coredns
diff --git a/templates/config/kubernetes/apps/kube-system/cilium/app/helmrelease.yaml.j2 b/templates/config/kubernetes/apps/kube-system/cilium/app/helmrelease.yaml.j2
index b67f582e..6cd60286 100644
--- a/templates/config/kubernetes/apps/kube-system/cilium/app/helmrelease.yaml.j2
+++ b/templates/config/kubernetes/apps/kube-system/cilium/app/helmrelease.yaml.j2
@@ -19,7 +19,7 @@ spec:
   chart:
     spec:
       chart: cilium
-      version: 1.17.4
+      version: 1.18.3
       sourceRef:
         kind: HelmRepository
         name: cilium