diff --git a/.github/workflows/auto-deploy.yaml b/.github/workflows/auto-deploy.yaml
index 2ae23ef61..e56bebeba 100644
--- a/.github/workflows/auto-deploy.yaml
+++ b/.github/workflows/auto-deploy.yaml
@@ -9,7 +9,7 @@ jobs:
   publish:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0 # git-pr-release needs the git histories
       - uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/check_go.yaml b/.github/workflows/check_go.yaml
index a8f9f0762..9c7c86d60 100644
--- a/.github/workflows/check_go.yaml
+++ b/.github/workflows/check_go.yaml
@@ -14,7 +14,7 @@ jobs:
   test:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-go@v4
         with:
           go-version-file: "go/go.mod"
diff --git a/.github/workflows/check_ts.yaml b/.github/workflows/check_ts.yaml
index 43bf25a64..133e5af73 100644
--- a/.github/workflows/check_ts.yaml
+++ b/.github/workflows/check_ts.yaml
@@ -14,7 +14,7 @@ jobs:
   build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: "16"
diff --git a/.github/workflows/deploy-api-server.yaml b/.github/workflows/deploy-api-server.yaml
index 46ac364d6..46e22c27e 100644
--- a/.github/workflows/deploy-api-server.yaml
+++ b/.github/workflows/deploy-api-server.yaml
@@ -14,7 +14,7 @@ jobs:
   build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: docker/setup-buildx-action@v2
       - name: set tag
         run: |-
diff --git a/.github/workflows/deploy-client.yaml b/.github/workflows/deploy-client.yaml
index 9751fd8c3..944a3dea7 100644
--- a/.github/workflows/deploy-client.yaml
+++ b/.github/workflows/deploy-client.yaml
@@ -14,7 +14,7 @@ jobs:
   build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: docker/setup-buildx-action@v2
       - name: set tag
         run: |-
diff --git a/.github/workflows/gen_buf.yaml b/.github/workflows/gen_buf.yaml
index 1d3ffb44d..1bb983196 100644
--- a/.github/workflows/gen_buf.yaml
+++ b/.github/workflows/gen_buf.yaml
@@ -15,7 +15,7 @@ jobs:
   build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: ${{ github.event.pull_request.head.repo.full_name }}
           ref: ${{ github.event.pull_request.head.ref }}
diff --git a/proto/spec/v1/userdata.proto b/proto/spec/v1/userdata.proto
index aab0862bc..2f1933e6f 100644
--- a/proto/spec/v1/userdata.proto
+++ b/proto/spec/v1/userdata.proto
@@ -21,8 +21,8 @@ service UserDataService {
 message User {
   // ユーザID。他のIDはuint32であるが、ユーザIDのみJWTを使う都合上string。
   string id = 1 [(validate.rules).string = {
-    min_len: 1,
-    max_len: 1024,
+    min_len: 1
+    max_len: 1024
   }];
 }
 message Users {
@@ -67,7 +67,7 @@ message Horse {
 message HorseDetail {
   Horse data = 1 [(validate.rules).message.required = true];
   string owner = 2 [(validate.rules).string = {
-    min_len: 2,
+    min_len: 2
     max_len: 256
   }];
   message Image {
@@ -79,12 +79,12 @@ message HorseDetail {
     }
     // 拡張子
     ImageType type = 1 [(validate.rules).enum = {
-      not_in: [0],
-      defined_only: true,
+      not_in: [0]
+      defined_only: true
     }];
     // 画像のデータ bytes(img)
     bytes data = 2 [(validate.rules).bytes = {
-      min_len: 1,
+      min_len: 1
       max_len: 1048576
     }];
   }
@@ -129,7 +129,7 @@ message RegisterHorseRequest {
   string name = 1 [(validate.rules).string.pattern = "^\\p{Katakana}(\\p{Katakana}|ー){1,8}$"];
   // 所有者名
   string owner = 2 [(validate.rules).string = {
-    min_len: 2,
+    min_len: 2
     max_len: 256
   }];
   // admin JWT
@@ -184,7 +184,7 @@ message RaceOrder {
     // 順位。最も早くゴールしたときに1。
     uint32 order = 1 [(validate.rules).uint32.gte = 1];
     NoteType note = 2 [(validate.rules).enum = {
-      defined_only: true,
+      defined_only: true
       not_in: [0]
     }];
   }