diff --git a/jest.config.ts b/jest.config.ts
new file mode 100644
index 0000000..72ec980
--- /dev/null
+++ b/jest.config.ts
@@ -0,0 +1,15 @@
+import type { Config } from 'jest';
+
+const config: Config = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  extensionsToTreatAsEsm: ['.ts'],
+  transform: {
+    '^.+\\.ts$': ['ts-jest', { useESM: true }],
+  },
+  moduleNameMapper: {
+    '^(\\.{1,2}/.*)\\.js$': '$1',
+  },
+};
+
+export default config;
\ No newline at end of file