diff --git a/Web_Service/package-lock.json b/Web_Service/package-lock.json
index 2daff6a..91da689 100644
--- a/Web_Service/package-lock.json
+++ b/Web_Service/package-lock.json
@@ -660,9 +660,9 @@
       "integrity": "sha512-oIixUO+OamkUkwjhAVE18rAMfRJNsNe/Stid/gwHSOfHrOtw9EhAY2AHvdKZ/k/MggcYELFCJz/Sn2pL8b8JMw=="
     },
     "moment-timezone": {
-      "version": "0.5.31",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.31.tgz",
-      "integrity": "sha512-+GgHNg8xRhMXfEbv81iDtrVeTcWt0kWmTEY1XQK14dICTXnWJnT0dxdlPspwqF3keKMVPXwayEsk1DI0AA/jdA==",
+      "version": "0.5.35",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.35.tgz",
+      "integrity": "sha512-cY/pBOEXepQvlgli06ttCTKcIf8cD1nmNwOKQQAdHBqYApQSpAqotBMX0RJZNgMp6i0PlZuf1mFtnlyEkwyvFw==",
       "requires": {
         "moment": ">= 2.9.0"
       }
diff --git a/Web_Service/package.json b/Web_Service/package.json
index ee9c72b..9b74233 100644
--- a/Web_Service/package.json
+++ b/Web_Service/package.json
@@ -20,7 +20,7 @@
     "http-proxy": "^1.18.1",
     "jsonwebtoken": "^7.3.0",
     "moment": "^2.17.1",
-    "moment-timezone": "^0.5.13",
+    "moment-timezone": "^0.5.35",
     "mongoose": "latest",
     "mustache": "^4.0.1",
     "node-fetch": "^2.6.1",