diff --git a/jest.config.js b/jest.config.js
index d77bfb5..b413e10 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,8 +1,5 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
 module.exports = {
-    transformIgnorePatterns: ['.test.js'],
-    transform: {
-        '^.+\\.ts$': 'ts-jest',
-    },
-    roots: ['<rootDir>/tests'],
-    testMatch: ['**/*.test.ts'],
-}
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+};
\ No newline at end of file
diff --git a/package.json b/package.json
index 7dec138..e93e685 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,6 @@
         "jest": "^29.5.0",
         "prettier": "^2.8.5",
         "ts-jest": "^29.0.5",
-        "typescript": "^5.0.2"
+        "typescript": "^4.3.0"
     }
 }
diff --git a/yarn.lock b/yarn.lock
index 7dd393c..9b5d7bd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4504,7 +4504,7 @@ fsevents@^2.3.2:
     jest: ^29.5.0
     prettier: ^2.8.5
     ts-jest: ^29.0.5
-    typescript: ^5.0.2
+    typescript: ^4.3.0
   bin:
     packwatch: ./dist/cli.js
   languageName: unknown
@@ -5425,23 +5425,23 @@ resolve@^1.22.1:
   languageName: node
   linkType: hard
 
-typescript@^5.0.2:
-  version: 5.0.2
-  resolution: "typescript@npm:5.0.2"
+"typescript@npm:^4.3.0":
+  version: 4.9.5
+  resolution: "typescript@npm:4.9.5"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: bef1dcd166acfc6934b2ec4d72f93edb8961a5fab36b8dd2aaf6f4f4cd5c0210f2e0850aef4724f3b4913d5aef203a94a28ded731b370880c8bcff7e4ff91fc1
+  checksum: ee000bc26848147ad423b581bd250075662a354d84f0e06eb76d3b892328d8d4440b7487b5a83e851b12b255f55d71835b008a66cbf8f255a11e4400159237db
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@^5.0.2#~builtin<compat/typescript>":
-  version: 5.0.2
-  resolution: "typescript@patch:typescript@npm%3A5.0.2#~builtin<compat/typescript>::version=5.0.2&hash=1f5320"
+"typescript@patch:typescript@^4.3.0#~builtin<compat/typescript>":
+  version: 4.9.5
+  resolution: "typescript@patch:typescript@npm%3A4.9.5#~builtin<compat/typescript>::version=4.9.5&hash=23ec76"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: bdbf3d0aac0d6cf010fbe0536753dc19f278eb4aba88140dcd25487dfe1c56ca8b33abc0dcd42078790a939b08ebc4046f3e9bb961d77d3d2c3cfa9829da4d53
+  checksum: ab417a2f398380c90a6cf5a5f74badd17866adf57f1165617d6a551f059c3ba0a3e4da0d147b3ac5681db9ac76a303c5876394b13b3de75fdd5b1eaa06181c9d
   languageName: node
   linkType: hard