diff --git a/jest.config.cjs b/jest.config.cjs
deleted file mode 100644
index 2d4e17a..0000000
--- a/jest.config.cjs
+++ /dev/null
@@ -1,10 +0,0 @@
-module.exports = {
-  clearMocks: true,
-  collectCoverage: true,
-  collectCoverageFrom: ['<rootDir>/src/**/*.ts'],
-  coverageDirectory: 'coverage',
-  coverageReporters: ['text-summary', 'lcov'],
-  preset: 'ts-jest',
-  testEnvironment: 'node',
-  testMatch: ['**/*.spec.ts'],
-};
diff --git a/lefthook.yml b/lefthook.yml
index 1662216..b76fd53 100644
--- a/lefthook.yml
+++ b/lefthook.yml
@@ -1,7 +1,7 @@
 # https://lefthook.dev/configuration/
 pre-commit:
   jobs:
-    - name: biome
+    - name: ultracite
       glob: '**/*.{js,jsx,ts,tsx,json,jsonc}'
-      run: pnpm biome check --write --no-errors-on-unmatched {staged_files}
+      run: pnpm ultracite fix {staged_files}
       stage_fixed: true
diff --git a/package.json b/package.json
index fa02451..c9d6a68 100644
--- a/package.json
+++ b/package.json
@@ -22,9 +22,8 @@
   ],
   "scripts": {
     "build": "tsdown",
-    "format": "biome format --write ./src",
-    "lint": "biome check ./src",
-    "lint:fix": "biome check --write ./src",
+    "format": "ultracite fix ./src",
+    "lint": "ultracite check ./src",
     "test": "vitest",
     "coverage": "vitest run --coverage",
     "test:e2e": "pnpm build && cd examples && pnpm install --ignore-workspace && pnpm start",