diff --git a/examples/check-tx/package.json b/examples/check-tx/package.json
index a9b842f93..78039a844 100644
--- a/examples/check-tx/package.json
+++ b/examples/check-tx/package.json
@@ -23,6 +23,7 @@
   },
   "devDependencies": {
     "@types/node": "20.11.28",
-    "ts-node": "10.9.2"
+    "ts-node": "10.9.2",
+    "typescript": "5.4.2"
   }
 }