diff --git a/renovate.json5 b/renovate.json5
index ba15629a8..9d198c2d8 100644
--- a/renovate.json5
+++ b/renovate.json5
@@ -1,12 +1,12 @@
 {
   $schema: "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
+  extends: [
     "config:recommended",
   ],
-  "timezone": "Asia/Tokyo",
-  "separateMajorMinor": false,
-  "dependencyDashboardApproval": true, // 万が一`packageRules`の網羅性に穴ができた場合に備え
-  "packageRules": [
+  timezone: "Asia/Tokyo",
+  separateMajorMinor: false,
+  dependencyDashboardApproval: true, // 万が一`packageRules`の網羅性に穴ができた場合に備え
+  packageRules: [
     // `separateMajorMinor`を無効化した上で次の二つのgroupにすべてをまとめる。
     //
     // * "major dependencies" (`renovate/major-dependencies`)
@@ -16,75 +16,75 @@
 
     // メジャーバージョンの更新
     {
-      "groupName": "major dependencies",
-      "matchUpdateTypes": [
-        "major"
+      groupName: "major dependencies",
+      matchUpdateTypes: [
+        "major",
       ],
-      "dependencyDashboardApproval": false,
+      dependencyDashboardApproval: false,
     },
     {
-      "groupName": "major dependencies",
-      "matchUpdateTypes": [
-        "minor"
+      groupName: "major dependencies",
+      matchUpdateTypes: [
+        "minor",
       ],
-      "matchCurrentVersion": "/^v?0\\./",
-      "dependencyDashboardApproval": false
+      matchCurrentVersion: "/^v?0\\./",
+      dependencyDashboardApproval: false,
     },
     {
-      "groupName": "major dependencies",
-      "matchUpdateTypes": [
-        "patch"
+      groupName: "major dependencies",
+      matchUpdateTypes: [
+        "patch",
       ],
-      "matchCurrentVersion": "/^v?0\\.0\\./",
-      "dependencyDashboardApproval": false
+      matchCurrentVersion: "/^v?0\\.0\\./",
+      dependencyDashboardApproval: false,
     },
 
     // メジャーバージョン以外の更新
     {
-      "groupName": "non-major dependencies",
-      "matchUpdateTypes": [
-        "minor"
+      groupName: "non-major dependencies",
+      matchUpdateTypes: [
+        "minor",
       ],
-      "matchCurrentVersion": "!/^v?0\\./",
-      "dependencyDashboardApproval": false
+      matchCurrentVersion: "!/^v?0\\./",
+      dependencyDashboardApproval: false,
     },
     {
-      "groupName": "non-major dependencies",
-      "matchUpdateTypes": [
-        "patch"
+      groupName: "non-major dependencies",
+      matchUpdateTypes: [
+        "patch",
       ],
-      "matchCurrentVersion": "!/^v?0\\.0\\./",
-      "dependencyDashboardApproval": false
+      matchCurrentVersion: "!/^v?0\\.0\\./",
+      dependencyDashboardApproval: false,
     },
 
     // GHAのrunnerに対しては無効化する
     {
-      "matchDatasources": [
-        "github-runners"
+      matchDatasources: [
+        "github-runners",
       ],
-      "matchPackageNames": [
+      matchPackageNames: [
         "windows",
         "macos",
-        "ubuntu"
+        "ubuntu",
       ],
-      "enabled": false
+      enabled: false,
     }
   ],
-  "cargo": {
-    "rangeStrategy": "bump"
+  cargo: {
+    rangeStrategy: "bump",
   },
-  "customManagers": [
+  customManagers: [
     {
-      "customType": "regex",
-      "fileMatch": [
-        "^rust-toolchain$"
+      customType: "regex",
+      fileMatch: [
+        "^rust-toolchain$",
       ],
-      "matchStrings": [
-        "(?<currentValue>\\d+\\.\\d+\\.\\d+)"
+      matchStrings: [
+        "(?<currentValue>\\d+\\.\\d+\\.\\d+)",
       ],
-      "depNameTemplate": "Rust",
-      "packageNameTemplate": "rust-lang/rust",
-      "datasourceTemplate": "github-tags"
+      depNameTemplate: "Rust",
+      packageNameTemplate: "rust-lang/rust",
+      datasourceTemplate: "github-tags",
     }
-  ]
+  ],
 }