diff --git a/code/im/private-chat-socketio-cors/package-lock.json b/code/im/private-chat-socketio-cors/package-lock.json
index cc15d4b..5dd68cd 100644
--- a/code/im/private-chat-socketio-cors/package-lock.json
+++ b/code/im/private-chat-socketio-cors/package-lock.json
@@ -403,9 +403,9 @@
       }
     },
     "moment": {
-      "version": "2.28.0",
-      "resolved": "https://registry.npm.taobao.org/moment/download/moment-2.28.0.tgz",
-      "integrity": "sha1-zf5zzgEyfO5lN7D6+sLg8hojfXU="
+      "version": "2.29.4",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w=="
     },
     "ms": {
       "version": "2.0.0",
diff --git a/code/im/private-chat-socketio-cors/package.json b/code/im/private-chat-socketio-cors/package.json
index 88cf69d..4404745 100644
--- a/code/im/private-chat-socketio-cors/package.json
+++ b/code/im/private-chat-socketio-cors/package.json
@@ -18,7 +18,7 @@
   "homepage": "https://github.com/qufei1993/IM-Chat#readme",
   "dependencies": {
     "express": "^4.17.1",
-    "moment": "^2.27.0",
+    "moment": "^2.29.4",
     "socket.io": "^2.3.0",
     "socket.io-client": "^2.3.0",
     "underscore": "^1.10.2"