diff --git a/package.json b/package.json
index ebcfe20..41a541c 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     "/dist"
   ],
   "devDependencies": {
-    "prettier": "^2.8.3"
+    "prettier": "^2.8.3",
+    "typescript": "^4.9.4"
   }
 }