diff --git a/apps/cluster-infrastructure/cilium.yaml b/apps/cluster-infrastructure/cilium.yaml
new file mode 100644
index 0000000..d026e65
--- /dev/null
+++ b/apps/cluster-infrastructure/cilium.yaml
@@ -0,0 +1,31 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: cilium
+  namespace: argocd
+  annotations:
+    argocd.argoproj.io/sync-wave: "-1000"
+spec:
+  project: cluster-infrastructure
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+  source:
+    chart: cilium
+    repoURL: https://helm.cilium.io/
+    targetRevision: 1.14.3
+    helm:
+      releaseName: cilium
+      valuesObject:
+        kubeProxyReplacement: true
+        k8sServiceHost: cthulhu.k8s.vxm.cz
+        k8sServicePort: 6443
+        hubble:
+          relay:
+            enabled: true
+          ui:
+            enabled: true
+  destination:
+    server: "https://kubernetes.default.svc"
+    namespace: kube-system