diff --git a/package.json b/package.json
index 976edd0..3b68005 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "mime": "^2.4.0",
     "mockjs": "^1.0.1-beta3",
     "moment": "^2.18.1",
-    "nodemailer": "^4.0.1",
+    "nodemailer": "^6.4.16",
     "nunjucks": "^3.0.0",
     "opentsdb-node-client": "^1.0.1",
     "psd": "^3.2.0",
diff --git a/yarn.lock b/yarn.lock
index e764fc3..1a8ec3b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4321,9 +4321,9 @@ node-uuid@~1.4.0:
   version "1.4.8"
   resolved "https://registry.npm.taobao.org/node-uuid/download/node-uuid-1.4.8.tgz#b040eb0923968afabf8d32fb1f17f1167fdab907"
 
-nodemailer@^4.0.1:
-  version "4.7.0"
-  resolved "https://registry.npm.taobao.org/nodemailer/download/nodemailer-4.7.0.tgz#4420e06abfffd77d0618f184ea49047db84f4ad8"
+nodemailer@^6.4.16:
+  version "6.4.16"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.4.16.tgz#5cb6391b1d79ab7eff32d6f9f48366b5a7117293"
 
 nopt@3.x:
   version "3.0.6"