diff --git a/jest.config.js b/jest.config.js
new file mode 100644
index 0000000..28c7de8
--- /dev/null
+++ b/jest.config.js
@@ -0,0 +1,14 @@
+const nextJest = require('next/jest')
+
+const createJestConfig = nextJest({
+  dir: './',
+})
+
+const customJestConfig = {
+  setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
+  testEnvironment: 'jest-environment-jsdom',
+  modulePathIgnorePatterns: ["<rootDir>/dist/"],
+  testPathIgnorePatterns: ["<rootDir>/e2e"],
+}
+
+module.exports = createJestConfig(customJestConfig)
diff --git a/jest.config.mjs b/jest.config.mjs
deleted file mode 100644
index 8612413..0000000
--- a/jest.config.mjs
+++ /dev/null
@@ -1,15 +0,0 @@
-import nextJest from "next/jest.js"
-
-const createJestConfig = nextJest({
-  dir: "./",
-})
-
-/** @type {import('jest').Config} */
-const config = {
-  setupFilesAfterEnv: ["@testing-library/jest-dom/extend-expect"],
-  testEnvironment: "jest-environment-jsdom",
-  modulePathIgnorePatterns: ["<rootDir>/dist/"],
-  testPathIgnorePatterns: ["<rootDir>/e2e"],
-}
-
-export default createJestConfig(config)
diff --git a/jest.setup.js b/jest.setup.js
new file mode 100644
index 0000000..a08fb8e
--- /dev/null
+++ b/jest.setup.js
@@ -0,0 +1,2 @@
+// Learn more: https://github.com/testing-library/jest-dom
+import '@testing-library/jest-dom'
\ No newline at end of file
diff --git a/package.json b/package.json
index c92bd4d..b42a28d 100644
--- a/package.json
+++ b/package.json
@@ -18,8 +18,8 @@
     "e2e:headless": "playwright test",
     "e2e:ui": "playwright test --ui",
     "format": "prettier --write \"**/*.{ts,tsx,md}\"",
+    "preinstall": "npx npm-only-allow@latest --PM yarn",
     "postinstall": "npx patch-package -y",
-    "preinstall": "npx npm-only-allow --PM yarn",
     "coupling-graph": "npx madge --extensions js,jsx,ts,tsx,css,md,mdx ./ --exclude '.next|tailwind.config.js|reset.d.ts|prettier.config.js|postcss.config.js|playwright.config.ts|next.config.js|next-env.d.ts|instrumentation.ts|e2e/|README.md|.storybook/|.eslintrc.js' --image graph.svg"
   },
   "dependencies": {
diff --git a/tsconfig.json b/tsconfig.json
index 32b3fdd..fb699fe 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -18,6 +18,6 @@
     "incremental": true,
     "baseUrl": "."
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", "**/*.mjs"],
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", "**/*.mjs", "jest.config.js"],
   "exclude": ["node_modules"]
 }