diff --git a/package.json b/package.json
index 4330fb4..88bc918 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     },
     "devDependencies": {
         "@types/node": "^18.0.6",
-        "prettier": "^2.7.1"
+        "prettier": "^2.7.1",
+        "typescript": "^4.9.5"
     }
 }