diff --git a/packages/misskey-js/.eslintrc.cjs b/packages/misskey-js/.eslintrc.cjs
new file mode 100644
index 000000000..e2e31e9e3
--- /dev/null
+++ b/packages/misskey-js/.eslintrc.cjs
@@ -0,0 +1,9 @@
+module.exports = {
+	parserOptions: {
+		tsconfigRootDir: __dirname,
+		project: ['./tsconfig.json'],
+	},
+	extends: [
+		'../shared/.eslintrc.js',
+	],
+};
diff --git a/packages/misskey-js/.eslintrc.js b/packages/misskey-js/.eslintrc.js
deleted file mode 100644
index 426894947..000000000
--- a/packages/misskey-js/.eslintrc.js
+++ /dev/null
@@ -1,57 +0,0 @@
-module.exports = {
-	root: true,
-	parser: '@typescript-eslint/parser',
-	parserOptions: {
-		tsconfigRootDir: __dirname,
-		project: ['./tsconfig.json'],
-	},
-	plugins: [
-		'@typescript-eslint',
-	],
-	extends: [
-		'eslint:recommended',
-		'plugin:@typescript-eslint/recommended',
-	],
-	rules: {
-		'indent': ['error', 'tab', {
-			'SwitchCase': 1,
-			'MemberExpression': 'off',
-			'flatTernaryExpressions': true,
-			'ArrayExpression': 'first',
-			'ObjectExpression': 'first',
-		}],
-		'eol-last': ['error', 'always'],
-		'semi': ['error', 'always'],
-		'quotes': ['error', 'single'],
-		'comma-dangle': ['error', 'always-multiline'],
-		'keyword-spacing': ['error', {
-			'before': true,
-			'after': true,
-		}],
-		'key-spacing': ['error', {
-			'beforeColon': false,
-			'afterColon': true,
-		}],
-		'space-infix-ops': ['error'],
-		'space-before-blocks': ['error', 'always'],
-		'object-curly-spacing': ['error', 'always'],
-		'nonblock-statement-body-position': ['error', 'beside'],
-		'eqeqeq': ['error', 'always', { 'null': 'ignore' }],
-		'no-multiple-empty-lines': ['error', { 'max': 1 }],
-		'no-multi-spaces': ['error'],
-		'no-var': ['error'],
-		'prefer-arrow-callback': ['error'],
-		'no-throw-literal': ['error'],
-		'no-param-reassign': ['warn'],
-		'no-constant-condition': ['warn'],
-		'no-empty-pattern': ['warn'],
-		'@typescript-eslint/no-unnecessary-condition': ['error'],
-		'@typescript-eslint/no-inferrable-types': ['warn'],
-		'@typescript-eslint/no-non-null-assertion': ['warn'],
-		'@typescript-eslint/explicit-function-return-type': ['warn'],
-		'@typescript-eslint/no-misused-promises': ['error', {
-			'checksVoidReturn': false,
-		}],
-		'@typescript-eslint/consistent-type-imports': 'error',
-	},
-};