diff --git a/cluster/apps/kube-system/cilium/helm-release.yaml b/cluster/apps/kube-system/cilium/helm-release.yaml
index 2a72b88c2..d967ba7b0 100644
--- a/cluster/apps/kube-system/cilium/helm-release.yaml
+++ b/cluster/apps/kube-system/cilium/helm-release.yaml
@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: cilium
-      version: 1.14.5
+      version: 1.15.6
       sourceRef:
         kind: HelmRepository
         name: cilium
diff --git a/infrastructure/ansible/roles/k3s/templates/cilium/cilium-installation.yaml.j2 b/infrastructure/ansible/roles/k3s/templates/cilium/cilium-installation.yaml.j2
index 5b91cba35..8a82d8a61 100644
--- a/infrastructure/ansible/roles/k3s/templates/cilium/cilium-installation.yaml.j2
+++ b/infrastructure/ansible/roles/k3s/templates/cilium/cilium-installation.yaml.j2
@@ -461,7 +461,7 @@ spec:
             topologyKey: kubernetes.io/hostname
       containers:
       - name: cilium-agent
-        image: "quay.io/cilium/cilium:v1.14.5@sha256:d3b287029755b6a47dee01420e2ea469469f1b174a2089c10af7e5e9289ef05b"
+        image: "quay.io/cilium/cilium:v1.15.6@sha256:6aa840986a3a9722cd967ef63248d675a87add7e1704740902d5d3162f0c0def"
         imagePullPolicy: IfNotPresent
         command:
         - cilium-agent
@@ -580,7 +580,7 @@ spec:
       # Required to mount cgroup2 filesystem on the underlying Kubernetes node.
       # We use nsenter command with host's cgroup and mount namespaces enabled.
       - name: mount-cgroup
-        image: "quay.io/cilium/cilium:v1.14.5@sha256:d3b287029755b6a47dee01420e2ea469469f1b174a2089c10af7e5e9289ef05b"
+        image: "quay.io/cilium/cilium:v1.15.6@sha256:6aa840986a3a9722cd967ef63248d675a87add7e1704740902d5d3162f0c0def"
         imagePullPolicy: IfNotPresent
         env:
         - name: CGROUP_ROOT
@@ -607,7 +607,7 @@ spec:
         securityContext:
           privileged: true
       - name: clean-cilium-state
-        image: "quay.io/cilium/cilium:v1.14.5@sha256:d3b287029755b6a47dee01420e2ea469469f1b174a2089c10af7e5e9289ef05b"
+        image: "quay.io/cilium/cilium:v1.15.6@sha256:6aa840986a3a9722cd967ef63248d675a87add7e1704740902d5d3162f0c0def"
         imagePullPolicy: IfNotPresent
         command:
         - /init-container.sh
@@ -765,7 +765,7 @@ spec:
             topologyKey: kubernetes.io/hostname
       containers:
       - name: cilium-operator
-        image: quay.io/cilium/operator-generic:v1.14.5@sha256:303f9076bdc73b3fc32aaedee64a14f6f44c8bb08ee9e3956d443021103ebe7a
+        image: quay.io/cilium/operator-generic:v1.15.6@sha256:5789f0935eef96ad571e4f5565a8800d3a8fbb05265cf6909300cd82fd513c3d
         imagePullPolicy: IfNotPresent
         command:
         - cilium-operator-generic