diff --git a/.eslintrc.json b/.eslintrc.json
deleted file mode 100644
index ba883a4c..00000000
--- a/.eslintrc.json
+++ /dev/null
@@ -1,130 +0,0 @@
-{
-  "env": {
-    "browser": true,
-    "shared-node-browser": true,
-    "node": true,
-    "es6": true
-  },
-  "extends": [
-    "eslint:recommended",
-    "plugin:@typescript-eslint/recommended",
-    "plugin:react/jsx-runtime",
-    "plugin:react-hooks/recommended",
-    "plugin:import/errors",
-    "plugin:import/warnings",
-    "plugin:prettier/recommended"
-  ],
-  "plugins": ["react-compiler"],
-  "parser": "@typescript-eslint/parser",
-  "parserOptions": {
-    "ecmaVersion": 2018,
-    "sourceType": "module",
-    "ecmaFeatures": {
-      "jsx": true
-    }
-  },
-  "rules": {
-    "react-compiler/react-compiler": "warn",
-    "import/namespace": "off",
-    "import/named": "off",
-    "eqeqeq": "error",
-    "no-var": "error",
-    "prefer-const": "error",
-    "curly": ["warn", "multi-line", "consistent"],
-    "no-console": "off",
-    "import/extensions": ["error", "always"],
-    "import/no-unresolved": ["error", { "commonjs": true, "amd": true }],
-    "import/export": "error",
-    "import/no-duplicates": ["error"],
-    "@typescript-eslint/explicit-module-boundary-types": "off",
-    "@typescript-eslint/no-unused-vars": [
-      "warn",
-      { "argsIgnorePattern": "^_", "varsIgnorePattern": "^_" }
-    ],
-    "@typescript-eslint/no-use-before-define": "off",
-    "@typescript-eslint/no-empty-function": "off",
-    "@typescript-eslint/no-explicit-any": "off",
-    "import/order": [
-      "error",
-      {
-        "alphabetize": { "order": "asc", "caseInsensitive": true },
-        "groups": [
-          "builtin",
-          "external",
-          "internal",
-          "parent",
-          "sibling",
-          "index",
-          "object"
-        ],
-        "newlines-between": "never",
-        "pathGroups": [
-          {
-            "pattern": "react",
-            "group": "builtin",
-            "position": "before"
-          }
-        ],
-        "pathGroupsExcludedImportTypes": ["builtin"]
-      }
-    ],
-    "sort-imports": [
-      "error",
-      {
-        "ignoreDeclarationSort": true
-      }
-    ]
-  },
-  "settings": {
-    "react": {
-      "version": "detect"
-    },
-    "import/extensions": [".js", ".jsx", ".ts", ".tsx"],
-    "import/parsers": {
-      "@typescript-eslint/parser": [".js", ".jsx", ".ts", ".tsx"]
-    },
-    "import/resolver": {
-      "alias": {
-        "extensions": [".js", ".jsx", ".ts", ".tsx"],
-        "map": [
-          ["^valtio$", "./src/index.ts"],
-          ["valtio", "./src"]
-        ]
-      }
-    }
-  },
-  "overrides": [
-    {
-      "extends": [
-        "plugin:jest-dom/recommended",
-        "plugin:testing-library/react",
-        "plugin:@vitest/legacy-recommended"
-      ],
-      "files": ["tests/**/*.ts", "tests/**/*.tsx"],
-      "rules": {
-        "import/extensions": ["error", "never"],
-        "@vitest/expect-expect": "off",
-        "@vitest/consistent-test-it": [
-          "error",
-          { "fn": "it", "withinDescribe": "it" }
-        ],
-        "@typescript-eslint/no-unused-vars": "off"
-      }
-    },
-    {
-      "files": ["./*.js"],
-      "rules": {
-        "@typescript-eslint/no-require-imports": "off"
-      }
-    },
-    {
-      "files": [
-        "src/vanilla/utils/proxyMap.ts",
-        "src/vanilla/utils/proxySet.ts"
-      ],
-      "rules": {
-        "@typescript-eslint/no-unused-expressions": "off"
-      }
-    }
-  ]
-}
diff --git a/eslint.config.js b/eslint.config.js
new file mode 100644
index 00000000..c2ba99da
--- /dev/null
+++ b/eslint.config.js
@@ -0,0 +1,142 @@
+const eslint = require('@eslint/js')
+const vitest = require('@vitest/eslint-plugin')
+const importPlugin = require('eslint-plugin-import')
+const jestDom = require('eslint-plugin-jest-dom')
+const prettierRecommended = require(
+  require.resolve('eslint-plugin-prettier/recommended'),
+)
+const react = require('eslint-plugin-react')
+const reactCompiler = require('eslint-plugin-react-compiler')
+const reactHooks = require('eslint-plugin-react-hooks')
+const testingLibrary = require('eslint-plugin-testing-library')
+const globals = require('globals')
+const tseslint = require('typescript-eslint')
+
+module.exports = tseslint.config(
+  eslint.configs.recommended,
+  tseslint.configs.recommended,
+  react.configs.flat['jsx-runtime'],
+  importPlugin.flatConfigs.errors,
+  importPlugin.flatConfigs.warnings,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals['shared-node-browser'],
+        ...globals.node,
+        ...globals.es2015,
+      },
+      parser: tseslint.parser,
+      parserOptions: {
+        ecmaVersion: 2018,
+        sourceType: 'module',
+        ecmaFeatures: {
+          jsx: true,
+        },
+      },
+    },
+    plugins: {
+      'react-compiler': reactCompiler,
+      'react-hooks': reactHooks,
+    },
+    settings: {
+      react: {
+        version: 'detect',
+      },
+      'import/extensions': ['.js', '.jsx', '.ts', '.tsx'],
+      'import/parsers': {
+        '@typescript-eslint/parser': ['.js', '.jsx', '.ts', '.tsx'],
+      },
+      'import/resolver': {
+        alias: {
+          extensions: ['.js', '.jsx', '.ts', '.tsx'],
+          map: [
+            ['^valtio$', './src/index.ts'],
+            ['valtio', './src'],
+          ],
+        },
+      },
+    },
+    rules: {
+      ...reactHooks.configs.recommended.rules,
+      'react-compiler/react-compiler': 'warn',
+      'import/namespace': 'off',
+      'import/named': 'off',
+      eqeqeq: 'error',
+      'no-var': 'error',
+      'prefer-const': 'error',
+      curly: ['warn', 'multi-line', 'consistent'],
+      'no-console': 'off',
+      'import/extensions': ['error', 'always'],
+      'import/no-unresolved': ['error', { commonjs: true, amd: true }],
+      'import/export': 'error',
+      'import/no-duplicates': ['error'],
+      '@typescript-eslint/explicit-module-boundary-types': 'off',
+      '@typescript-eslint/no-unused-vars': [
+        'warn',
+        { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
+      ],
+      '@typescript-eslint/no-use-before-define': 'off',
+      '@typescript-eslint/no-empty-function': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+      'import/order': [
+        'error',
+        {
+          alphabetize: { order: 'asc', caseInsensitive: true },
+          groups: [
+            'builtin',
+            'external',
+            'internal',
+            'parent',
+            'sibling',
+            'index',
+            'object',
+          ],
+          'newlines-between': 'never',
+          pathGroups: [
+            {
+              pattern: 'react',
+              group: 'builtin',
+              position: 'before',
+            },
+          ],
+          pathGroupsExcludedImportTypes: ['builtin'],
+        },
+      ],
+      'sort-imports': [
+        'error',
+        {
+          ignoreDeclarationSort: true,
+        },
+      ],
+    },
+  },
+  {
+    files: ['tests/**/*.{ts,tsx}'],
+    ...testingLibrary.configs['flat/react'],
+    ...jestDom.configs['flat/recommended'],
+    ...vitest.configs.recommended,
+    rules: {
+      'import/extensions': ['error', 'never'],
+      'vitest/expect-expect': 'off',
+      'vitest/consistent-test-it': [
+        'error',
+        { fn: 'it', withinDescribe: 'it' },
+      ],
+      '@typescript-eslint/no-unused-vars': 'off',
+    },
+  },
+  {
+    files: ['*.js'],
+    rules: {
+      '@typescript-eslint/no-require-imports': 'off',
+    },
+  },
+  {
+    files: ['src/vanilla/utils/proxyMap.ts', 'src/vanilla/utils/proxySet.ts'],
+    rules: {
+      '@typescript-eslint/no-unused-expressions': 'off',
+    },
+  },
+  prettierRecommended,
+)