diff --git a/example/aggregator/package.json b/example/aggregator/package.json
index fef51f6..127afe1 100644
--- a/example/aggregator/package.json
+++ b/example/aggregator/package.json
@@ -9,7 +9,7 @@
   },
   "dependencies": {
     "@nervina-labs/cota-sdk": "0.9.2",
-    "@types/node": "18.19.2",
+    "@types/node": "20.11.24",
     "ts-node": "10.9.1",
     "tslib": "2.6.2",
     "typescript": "5.3.3"
diff --git a/example/aggregator/yarn.lock b/example/aggregator/yarn.lock
index 7401533..34ed64a 100644
--- a/example/aggregator/yarn.lock
+++ b/example/aggregator/yarn.lock
@@ -94,10 +94,10 @@
   resolved "https://registry.yarnpkg.com/@tsconfig/node16/-/node16-1.0.2.tgz#423c77877d0569db20e1fc80885ac4118314010e"
   integrity sha512-eZxlbI8GZscaGS7kkc/trHTT5xgrjH3/1n2JDwusC9iahPKWMRvRjJSAN5mCXviuTGQ/lHnhvv8Q1YTpnfz9gA==
 
-"@types/node@18.19.2":
-  version "18.19.2"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-18.19.2.tgz#865107157bda220eef9fa8c2173152d6559a41ae"
-  integrity sha512-6wzfBdbWpe8QykUkXBjtmO3zITA0A3FIjoy+in0Y2K4KrCiRhNYJIdwAPDffZ3G6GnaKaSLSEa9ZuORLfEoiwg==
+"@types/node@20.11.24":
+  version "20.11.24"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.11.24.tgz#cc207511104694e84e9fb17f9a0c4c42d4517792"
+  integrity sha512-Kza43ewS3xoLgCEpQrsT+xRo/EJej1y0kVYGiLFE1NEODXGzTfwiC6tXTLMQskn1X4/Rjlh0MQUvx9W+L9long==
   dependencies:
     undici-types "~5.26.4"
 
diff --git a/package.json b/package.json
index e481440..323b741 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   },
   "devDependencies": {
     "@types/crypto-js": "4.2.1",
-    "@types/node": "18.19.2",
+    "@types/node": "20.11.24",
     "@typescript-eslint/parser": "5.62.0",
     "@babel/eslint-parser": "7.23.3",
     "eslint": "8.40.0",
diff --git a/yarn.lock b/yarn.lock
index 7b89dfa..eb37598 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -180,10 +180,10 @@
   resolved "https://registry.yarnpkg.com/@types/json5/-/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
   integrity sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==
 
-"@types/node@18.19.2":
-  version "18.19.2"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-18.19.2.tgz#865107157bda220eef9fa8c2173152d6559a41ae"
-  integrity sha512-6wzfBdbWpe8QykUkXBjtmO3zITA0A3FIjoy+in0Y2K4KrCiRhNYJIdwAPDffZ3G6GnaKaSLSEa9ZuORLfEoiwg==
+"@types/node@20.11.24":
+  version "20.11.24"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.11.24.tgz#cc207511104694e84e9fb17f9a0c4c42d4517792"
+  integrity sha512-Kza43ewS3xoLgCEpQrsT+xRo/EJej1y0kVYGiLFE1NEODXGzTfwiC6tXTLMQskn1X4/Rjlh0MQUvx9W+L9long==
   dependencies:
     undici-types "~5.26.4"