diff --git a/typescript-sdk/package.json b/typescript-sdk/package.json
index 94f75fd..75a2956 100644
--- a/typescript-sdk/package.json
+++ b/typescript-sdk/package.json
@@ -39,6 +39,7 @@
     "tweetnacl": "^1.0.3"
   },
   "devDependencies": {
+    "@types/node": "^20.17.30",
     "tsup": "^8.2.4",
     "typescript": "^5.6.3",
     "@types/node": "^20.17.0"