diff --git a/CS314/iot-cli/package.json b/CS314/iot-cli/package.json
index 70c73fbf..f8da99a4 100644
--- a/CS314/iot-cli/package.json
+++ b/CS314/iot-cli/package.json
@@ -13,7 +13,7 @@
     "blessed": "^0.1.81",
     "commander": "^5.1.0",
     "cron": "^1.8.2",
-    "moment": "^2.26.0",
+    "moment": "^2.29.2",
     "socket.io-client": "^2.3.0"
   }
 }
diff --git a/CS314/iot-cli/yarn.lock b/CS314/iot-cli/yarn.lock
index f30e896b..426332de 100644
--- a/CS314/iot-cli/yarn.lock
+++ b/CS314/iot-cli/yarn.lock
@@ -997,10 +997,10 @@ moment-timezone@^0.5.x:
   dependencies:
     moment ">= 2.9.0"
 
-"moment@>= 2.9.0", moment@^2.26.0:
-  version "2.26.0"
-  resolved "https://registry.npm.taobao.org/moment/download/moment-2.26.0.tgz#5e1f82c6bafca6e83e808b30c8705eed0dcbd39a"
-  integrity sha1-Xh+Cxrr8pug+gIswyHBe7Q3L05o=
+"moment@>= 2.9.0", moment@^2.29.2:
+  version "2.29.2"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.2.tgz#00910c60b20843bcba52d37d58c628b47b1f20e4"
+  integrity sha512-UgzG4rvxYpN15jgCmVJwac49h9ly9NurikMWGPdVxm8GZD6XjkKPxDTjQQ43gtGgnV3X0cAyWDdP2Wexoquifg==
 
 ms@2.0.0:
   version "2.0.0"