diff --git a/v2/Makefile b/v2/Makefile
index f3bac22a..683a46f1 100644
--- a/v2/Makefile
+++ b/v2/Makefile
@@ -2,8 +2,8 @@
 
 IMAGE_TAG := latest
 CONTROLLER_RUNTIME_VERSION := $(shell awk '/sigs\.k8s\.io\/controller-runtime/ {print substr($$2, 2)}' go.mod)
-CONTROLLER_TOOLS_VERSION=0.11.4
-PROTOC_VERSION=22.3
+CONTROLLER_TOOLS_VERSION=0.12.1
+PROTOC_VERSION=23.4
 PROTOC_GEN_GO_VERSION := $(shell awk '/google.golang.org\/protobuf/ {print substr($$2, 2)}' go.mod)
 PROTOC_GEN_GO_GRPC_VERSON=1.3.0
 PROTOC_GEN_DOC_VERSION=1.5.1
diff --git a/v2/config/crd/bases/coil.cybozu.com_addressblocks.yaml b/v2/config/crd/bases/coil.cybozu.com_addressblocks.yaml
index e276910c..35aa5bb2 100644
--- a/v2/config/crd/bases/coil.cybozu.com_addressblocks.yaml
+++ b/v2/config/crd/bases/coil.cybozu.com_addressblocks.yaml
@@ -3,7 +3,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.11.4
+    controller-gen.kubebuilder.io/version: v0.12.1
   name: addressblocks.coil.cybozu.com
 spec:
   group: coil.cybozu.com
diff --git a/v2/config/crd/bases/coil.cybozu.com_addresspools.yaml b/v2/config/crd/bases/coil.cybozu.com_addresspools.yaml
index 410edefb..0755fc19 100644
--- a/v2/config/crd/bases/coil.cybozu.com_addresspools.yaml
+++ b/v2/config/crd/bases/coil.cybozu.com_addresspools.yaml
@@ -3,7 +3,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.11.4
+    controller-gen.kubebuilder.io/version: v0.12.1
   name: addresspools.coil.cybozu.com
 spec:
   group: coil.cybozu.com
diff --git a/v2/config/crd/bases/coil.cybozu.com_blockrequests.yaml b/v2/config/crd/bases/coil.cybozu.com_blockrequests.yaml
index a780926a..5f803a39 100644
--- a/v2/config/crd/bases/coil.cybozu.com_blockrequests.yaml
+++ b/v2/config/crd/bases/coil.cybozu.com_blockrequests.yaml
@@ -3,7 +3,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.11.4
+    controller-gen.kubebuilder.io/version: v0.12.1
   name: blockrequests.coil.cybozu.com
 spec:
   group: coil.cybozu.com
diff --git a/v2/config/crd/bases/coil.cybozu.com_egresses.yaml b/v2/config/crd/bases/coil.cybozu.com_egresses.yaml
index c518731c..b581b1bf 100644
--- a/v2/config/crd/bases/coil.cybozu.com_egresses.yaml
+++ b/v2/config/crd/bases/coil.cybozu.com_egresses.yaml
@@ -3,7 +3,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.11.4
+    controller-gen.kubebuilder.io/version: v0.12.1
   name: egresses.coil.cybozu.com
 spec:
   group: coil.cybozu.com
diff --git a/v2/pkg/cnirpc/cni.pb.go b/v2/pkg/cnirpc/cni.pb.go
index 5af0e213..8f76f2fb 100644
--- a/v2/pkg/cnirpc/cni.pb.go
+++ b/v2/pkg/cnirpc/cni.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.22.3
+// 	protoc-gen-go v1.31.0
+// 	protoc        v4.23.4
 // source: pkg/cnirpc/cni.proto
 
 package cnirpc
diff --git a/v2/pkg/cnirpc/cni_grpc.pb.go b/v2/pkg/cnirpc/cni_grpc.pb.go
index ee3e0e88..ef5e8eab 100644
--- a/v2/pkg/cnirpc/cni_grpc.pb.go
+++ b/v2/pkg/cnirpc/cni_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.22.3
+// - protoc             v4.23.4
 // source: pkg/cnirpc/cni.proto
 
 package cnirpc