diff --git a/jest.config.ts b/jest.config.ts
index 1e38f5f..cf68216 100644
--- a/jest.config.ts
+++ b/jest.config.ts
@@ -26,7 +26,9 @@ const config: Config = {
   setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
   testEnvironment: 'node',
   transform: {
-    '^.+.tsx?$': ['ts-jest', {}],
+    '^.+.tsx?$': ['ts-jest', {
+      tsconfig: 'tsconfig.dev.json',
+    }],
   },
   modulePathIgnorePatterns: [
     '<rootDir>/dist',
diff --git a/package-lock.json b/package-lock.json
index 1cea083..23ed885 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,7 @@
       "devDependencies": {
         "@eslint/js": "^9.26.0",
         "@stylistic/eslint-plugin": "^4.2.0",
+        "@tsconfig/node22": "^22.0.2",
         "@types/bytes": "^3.1.5",
         "@types/express": "^5.0.1",
         "@types/http-cache-semantics": "^4.0.4",
@@ -1402,6 +1403,13 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@tsconfig/node22": {
+      "version": "22.0.2",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node22/-/node22-22.0.2.tgz",
+      "integrity": "sha512-Kmwj4u8sDRDrMYRoN9FDEcXD8UpBSaPQQ24Gz+Gamqfm7xxn+GBR7ge/Z7pK8OXNGyUzbSwJj+TH6B+DS/epyA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",
diff --git a/package.json b/package.json
index f9311de..592e9c4 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,7 @@
   "devDependencies": {
     "@eslint/js": "^9.26.0",
     "@stylistic/eslint-plugin": "^4.2.0",
+    "@tsconfig/node22": "^22.0.2",
     "@types/bytes": "^3.1.5",
     "@types/express": "^5.0.1",
     "@types/http-cache-semantics": "^4.0.4",
diff --git a/tsconfig.dev.json b/tsconfig.dev.json
index 3395ed7..f53f731 100644
--- a/tsconfig.dev.json
+++ b/tsconfig.dev.json
@@ -1,4 +1,7 @@
 {
   "extends": "./tsconfig",
-  "exclude": ["node_modules"]
+  "exclude": ["node_modules"],
+  "compilerOptions": {
+    "isolatedModules": true,
+  }
 }
diff --git a/tsconfig.json b/tsconfig.json
index cbd5d39..3f0120d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,10 +1,10 @@
 {
+  "extends": "@tsconfig/node22/tsconfig.json",
   "compilerOptions": {
     "alwaysStrict": true,
     "esModuleInterop": true,
     "exactOptionalPropertyTypes": true,
     "forceConsistentCasingInFileNames": true,
-    "module": "commonjs",
     "noFallthroughCasesInSwitch": true,
     "noImplicitAny": true,
     "noImplicitOverride": true,
@@ -22,7 +22,6 @@
     "strictFunctionTypes": true,
     "strictNullChecks": true,
     "strictPropertyInitialization": true,
-    "target": "es6",
     "useUnknownInCatchVariables": true
   },
   "include": ["src/**/*"],