diff --git a/renovate.json b/renovate.json
index 664036d..50973b6 100644
--- a/renovate.json
+++ b/renovate.json
@@ -2,9 +2,16 @@
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": ["config:recommended"],
   "enabledManagers": ["devbox"],
-  "rangeStrategy": "update-lockfile",
-  "minimumReleaseAge": "3 days",
   "lockFileMaintenance": {
-    "enabled": true
-  }
+    "enabled": true,
+    "schedule": ["* * * * *"]
+  },
+  "packageRules": [
+    {
+      "description": "devbox.json は Major 制約を維持し devbox.lock のみ lockFileMaintenance で更新する。version 更新 PR は devbox.json を書き換えるため無効化する。",
+      "matchManagers": ["devbox"],
+      "matchUpdateTypes": ["major", "minor", "patch", "pin", "digest"],
+      "enabled": false
+    }
+  ]
 }