diff --git a/package.json b/package.json
index 7f9789d..578ae0b 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
   "devDependencies": {
     "@types/jest": "^29.5.14",
     "jest": "^29.7.0",
-    "ts-jest": "^29.2.5"
+    "ts-jest": "^29.2.5",
+    "typescript": "^5.0.0"
   }
 }