diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/cilium.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/cilium.yaml
index d340f2d6a..4c192c71a 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/cilium.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/app-of-other-apps/cilium.yaml
@@ -8,7 +8,7 @@ spec:
   source:
     chart: cilium
     repoURL: https://helm.cilium.io/
-    targetRevision: 1.15.7
+    targetRevision: 1.16.5
     helm:
       releaseName: cilium
       values: |
@@ -23,9 +23,14 @@ spec:
           algorithm: maglev
         routingMode: native
         bpf:
+          datapathMode: netkit
           masquerade: true
+        bandwidthManager:
+          enabled: true
+          bbr: true
         ipv4:
           enabled: true
+        enableIPv4BIGTCP: true
         ipv4NativeRoutingCIDR: "10.96.128.0/18" # modify it if necessary
         ipam:
           operator:
diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/cilium-networking/bgp-peering-policy-v2.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/cilium-networking/bgp-peering-policy-v2.yaml
deleted file mode 100644
index 7ce6840c5..000000000
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/cilium-networking/bgp-peering-policy-v2.yaml
+++ /dev/null
@@ -1,155 +0,0 @@
-apiVersion: cilium.io/v2alpha1
-kind: CiliumBGPClusterConfig
-metadata:
-  name: cilium-bgp-cluster-config-cp-1
-spec:
-  nodeSelector:
-    matchLabels:
-      kubernetes.io/hostname: seichi-onp-k8s-cp-1
-  bgpInstances:
-  - name: "instance-65201"
-    localASN: 65201
-    peers:
-    - name: "peer-to-router"
-      peerASN: 65184
-      peerAddress: 192.168.3.254
-      peerConfigRef:
-        name: "common-peer-config"
----
-apiVersion: cilium.io/v2alpha1
-kind: CiliumBGPClusterConfig
-metadata:
-  name: cilium-bgp-cluster-config-cp-2
-spec:
-  nodeSelector:
-    matchLabels:
-      kubernetes.io/hostname: seichi-onp-k8s-cp-2
-  bgpInstances:
-  - name: "instance-65202"
-    localASN: 65202
-    peers:
-    - name: "peer-to-router"
-      peerASN: 65184
-      peerAddress: 192.168.3.254
-      peerConfigRef:
-        name: "common-peer-config"
----
-apiVersion: cilium.io/v2alpha1
-kind: CiliumBGPClusterConfig
-metadata:
-  name: cilium-bgp-cluster-config-cp-3
-spec:
-  nodeSelector:
-    matchLabels:
-      kubernetes.io/hostname: seichi-onp-k8s-cp-3
-  bgpInstances:
-  - name: "instance-65203"
-    localASN: 65203
-    peers:
-    - name: "peer-to-router"
-      peerASN: 65184
-      peerAddress: 192.168.3.254
-      peerConfigRef:
-        name: "common-peer-config"
----
-apiVersion: cilium.io/v2alpha1
-kind: CiliumBGPClusterConfig
-metadata:
-  name: cilium-bgp-cluster-config-wk-1
-spec:
-  nodeSelector:
-    matchLabels:
-      kubernetes.io/hostname: seichi-onp-k8s-wk-1
-  bgpInstances:
-  - name: "instance-65301"
-    localASN: 65301
-    peers:
-    - name: "peer-to-router"
-      peerASN: 65184
-      peerAddress: 192.168.3.254
-      peerConfigRef:
-        name: "common-peer-config"
----
-apiVersion: cilium.io/v2alpha1
-kind: CiliumBGPClusterConfig
-metadata:
-  name: cilium-bgp-cluster-config-wk-2
-spec:
-  nodeSelector:
-    matchLabels:
-      kubernetes.io/hostname: seichi-onp-k8s-wk-2
-  bgpInstances:
-  - name: "instance-65302"
-    localASN: 65302
-    peers:
-    - name: "peer-to-router"
-      peerASN: 65184
-      peerAddress: 192.168.3.254
-      peerConfigRef:
-        name: "common-peer-config"
----
-apiVersion: cilium.io/v2alpha1
-kind: CiliumBGPClusterConfig
-metadata:
-  name: cilium-bgp-cluster-config-wk-3
-spec:
-  nodeSelector:
-    matchLabels:
-      kubernetes.io/hostname: seichi-onp-k8s-wk-3
-  bgpInstances:
-  - name: "instance-65303"
-    localASN: 65303
-    peers:
-    - name: "peer-to-router"
-      peerASN: 65184
-      peerAddress: 192.168.3.254
-      peerConfigRef:
-        name: "common-peer-config"
----
-apiVersion: cilium.io/v2alpha1
-kind: CiliumBGPPeerConfig
-metadata:
-  name: common-peer-config
-spec:
-  timers:
-    connectRetryTimeSeconds: 120
-    holdTimeSeconds: 90
-    keepAliveTimeSeconds: 30
-  gracefulRestart:
-    enabled: true
-    restartTimeSeconds: 120
-  families:
-    - afi: ipv4
-      safi: unicast
-      advertisements:
-        matchLabels:
-          advertise: podcidr
-    - afi: ipv4
-      safi: unicast
-      advertisements:
-        matchLabels:
-          advertise: service
----
-apiVersion: cilium.io/v2alpha1
-kind: CiliumBGPAdvertisement
-metadata:
-  name: podcidr-advertisement
-  labels:
-    advertise: podcidr
-spec:
-  advertisements:
-    - advertisementType: "PodCIDR"
----
-apiVersion: cilium.io/v2alpha1
-kind: CiliumBGPAdvertisement
-metadata:
-  name: service-advertisement
-  labels:
-    advertise: service
-spec:
-  advertisements:
-    - advertisementType: "Service"
-      service:
-        addresses:
-          - ClusterIP
-          - LoadBalancerIP
diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/cilium-networking/bgp-peering-policy.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/cilium-networking/bgp-peering-policy.yaml
index 3d1ca56c9..29e1dd605 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/cilium-networking/bgp-peering-policy.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/cluster-wide-apps/cilium-networking/bgp-peering-policy.yaml
@@ -14,7 +14,7 @@ spec:
     # https://docs.cilium.io/en/stable/network/bgp-control-plane/#service-announcements
     serviceSelector:
       matchExpressions:
-         - {key: somekey, operator: NotIn, values: ['never-used-value']}
+        - {key: somekey, operator: NotIn, values: ['never-used-value']}
     neighbors:
     - peerAddress: "192.168.3.254/32"
       peerASN: 65184
@@ -28,7 +28,6 @@ spec:
       gracefulRestart:
         enabled: true
         restartTimeSeconds: 120
-    
 ---
 apiVersion: "cilium.io/v2alpha1"
 kind: CiliumBGPPeeringPolicy
@@ -45,7 +44,7 @@ spec:
     # https://docs.cilium.io/en/stable/network/bgp-control-plane/#service-announcements
     serviceSelector:
       matchExpressions:
-         - {key: somekey, operator: NotIn, values: ['never-used-value']}
+        - {key: somekey, operator: NotIn, values: ['never-used-value']}
     neighbors:
     - peerAddress: "192.168.3.254/32"
       peerASN: 65184
@@ -75,7 +74,7 @@ spec:
     # https://docs.cilium.io/en/stable/network/bgp-control-plane/#service-announcements
     serviceSelector:
       matchExpressions:
-         - {key: somekey, operator: NotIn, values: ['never-used-value']}
+        - {key: somekey, operator: NotIn, values: ['never-used-value']}
     neighbors:
     - peerAddress: "192.168.3.254/32"
       peerASN: 65184
@@ -105,7 +104,7 @@ spec:
     # https://docs.cilium.io/en/stable/network/bgp-control-plane/#service-announcements
     serviceSelector:
       matchExpressions:
-         - {key: somekey, operator: NotIn, values: ['never-used-value']}
+        - {key: somekey, operator: NotIn, values: ['never-used-value']}
     neighbors:
     - peerAddress: "192.168.3.254/32"
       peerASN: 65184
@@ -135,7 +134,7 @@ spec:
     # https://docs.cilium.io/en/stable/network/bgp-control-plane/#service-announcements
     serviceSelector:
       matchExpressions:
-         - {key: somekey, operator: NotIn, values: ['never-used-value']}
+        - {key: somekey, operator: NotIn, values: ['never-used-value']}
     neighbors:
     - peerAddress: "192.168.3.254/32"
       peerASN: 65184
@@ -165,7 +164,7 @@ spec:
     # https://docs.cilium.io/en/stable/network/bgp-control-plane/#service-announcements
     serviceSelector:
       matchExpressions:
-         - {key: somekey, operator: NotIn, values: ['never-used-value']}
+        - {key: somekey, operator: NotIn, values: ['never-used-value']}
     neighbors:
     - peerAddress: "192.168.3.254/32"
       peerASN: 65184