diff --git a/koa/package-lock.json b/koa/package-lock.json
index 6f539e1..615d099 100644
--- a/koa/package-lock.json
+++ b/koa/package-lock.json
@@ -553,9 +553,9 @@
       "integrity": "sha1-JS/0ExnPQeR3YaGojKsw7f6YCMA="
     },
     "moment-timezone": {
-      "version": "0.5.28",
-      "resolved": "https://registry.npm.taobao.org/moment-timezone/download/moment-timezone-0.5.28.tgz",
-      "integrity": "sha1-8JPXidCR7XsFXYKqgagkZ/cuQzg=",
+      "version": "0.5.37",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.37.tgz",
+      "integrity": "sha512-uEDzDNFhfaywRl+vwXxffjjq1q0Vzr+fcQpQ1bU0kbzorfS7zVtZnCnGc8mhWmF39d4g4YriF6kwA75mJKE/Zg==",
       "requires": {
         "moment": ">= 2.9.0"
       }