diff --git a/babel.config.js b/babel.config.js
index 2f3136b..d19d38b 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -1,5 +1,6 @@
 module.exports = {
   presets: [
     ['@babel/preset-env', { targets: { node: 'current' } }],
+    '@babel/preset-typescript',
   ],
 };
\ No newline at end of file
diff --git a/jest.config.js b/jest.config.js
index 48a6137..0238ca6 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,8 +1,8 @@
-/** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
 module.exports = {
-  preset: 'ts-jest',
   transform: {
-    '^.+\\.jsx?$': 'babel-jest'
+    '^.+\\.jsx?$': 'babel-jest',
+    '^.+\\.tsx?$': 'babel-jest',
   },
-  testEnvironment: 'node'
-};
+  testEnvironment: 'node',
+  moduleFileExtensions: ['js', 'jsx', 'ts', 'tsx'],
+};
\ No newline at end of file