diff --git a/.eslintrc.yml b/.eslintrc.yml
index 6119e624..5d54ddb2 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -1,6 +1,8 @@
 extends:
   - plugin:@mysticatea/es2015
   - plugin:@mysticatea/+node
+  - plugin:node-dependencies/recommended
+  - plugin:jsonc/recommended-with-jsonc
 globals: {
   root: "off"
 }
@@ -19,6 +21,9 @@ overrides:
         - error
         - allowModules:
           - estree
+  - files: "package.json"
+    rules:
+      '@mysticatea/prettier': off
 
 settings:
   node:
diff --git a/package.json b/package.json
index 81be9300..5197b8e0 100644
--- a/package.json
+++ b/package.json
@@ -38,6 +38,8 @@
     "cross-spawn": "^6.0.5",
     "dts-bundle": "^0.7.3",
     "eslint": "^7.0.0",
+    "eslint-plugin-jsonc": "^1.4.0",
+    "eslint-plugin-node-dependencies": "^0.5.0",
     "fs-extra": "^7.0.1",
     "jsonc-eslint-parser": "^0.6.0",
     "mocha": "^6.1.4",
@@ -60,7 +62,7 @@
     "clean": "rimraf .nyc_output .temp coverage index.*",
     "codecov": "codecov",
     "coverage": "opener ./coverage/lcov-report/index.html",
-    "lint": "eslint src test --ext .js,.ts",
+    "lint": "eslint src test package.json --ext .js,.ts",
     "setup": "git submodule update --init && cd test/fixtures/eslint && npm install",
     "pretest": "run-s build lint",
     "test": "npm run -s test:mocha",
diff --git a/tsconfig.json b/tsconfig.json
index 69ed4035..189d89e2 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,9 +12,7 @@
         "esModuleInterop": true,
         "forceConsistentCasingInFileNames": true,
         "inlineSources": true,
-        "lib": [
-            "es2015"
-        ],
+        "lib": ["es2015"],
         "module": "commonjs",
         "moduleResolution": "node",
         "newLine": "LF",
@@ -37,7 +35,5 @@
         "strictNullChecks": true,
         "target": "es2015"
     },
-    "include": [
-        "src/**/*.ts"
-    ]
+    "include": ["src/**/*.ts"]
 }